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RT-SVD03L-EN

Variable Air Volume Units . . . . . . . . . . . 139

TCI Comm 3/4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Discharge Air Sensing . . . . . . . . . . . . . . . . . . 140

3 to 25 Tons Units . . . . . . . . . . . . . . . . . . . . . . 140

27.5 to 50 Tons Units. . . . . . . . . . . . . . . . . . . . 140

Service Note. . . . . . . . . . . . . . . . . . . . . . . . 140

ReliaTel

™

Ventilation Override . . . . . . . . . . . 141

Demand Control Ventilation (DCV) . . . . . . . 142

Sensor Connections . . . . . . . . . . . . . . . . 142

RTEM Operation. . . . . . . . . . . . . . . . . . . . . . . . 142

RTEM w/ RTRM v8.0 and Later . . . . . . . 142
RTEM w/ RTRM v7.0 and
Earlier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Failure and Override
Conditions . . . . . . . . . . . . . . . . . . . . . . . . . 144

Honeywell Operation . . . . . . . . . . . . . . . . . . . 144

Voyager

™

27.5 to 50 Tons VAV

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Demand Controlled Ventilation (CO

)

Setup for Single Zone VAV, Multi-Speed
and 17 Plus units . . . . . . . . . . . . . . . . . . . . . . . 144

Initial Set Up. . . . . . . . . . . . . . . . . . . . . . . . 145
Set Up the LOW Fan Speed Damper
Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Set Up the MEDIUM Fan Speed
Damper Position . . . . . . . . . . . . . . . . . . . . 146
Set Up the HIGH Fan Speed Damper
Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Dehumidification . . . . . . . . . . . . . . . . . . . . . . . . . 147

Hot Gas Reheat 3 to 25 Tons . . . . . . . . . . . . . 147

Sequence of Operation . . . . . . . . . . . . . . 147

Modulating Dehumidification with Hot
Gas Reheat (27.5 to 50 Tons). . . . . . . . . . . . . 148

Controls Overview . . . . . . . . . . . . . . . . . . 148

Heating/Cooling Changeover . . . . . . . . . . . . . 150

Low Ambient Mechanical Cooling
Operation (3 to 25 Ton Units) . . . . . . . . . . . . . 151

Evaporator Defrost Control (EDC)
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

ReliaTel

™

- Condenser Fan . . . . . . . . . . . . . . . 152

Control Logic - 12.5 to 25 Tons . . . . . . . . . . . 152

Sequence for eFlex

™

Units . . . . . . . . . . . . . . 152

Sequencing Control - 27.5 to 50
Tons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Independent Circuit Heat Pump -
Odyssey

™

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Phase Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

ReliaTel

™

3 to 25 Tons . . . . . . . . . . . . . . . . . . 156

Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Snubber Circuits. . . . . . . . . . . . . . . . . . . . . . . . 157

High Pressure and Low Pressure Lockout
Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

LPC Logic . . . . . . . . . . . . . . . . . . . . . . . . . . 157
LPC Sequence of Operation . . . . . . . . . . 157
LPC Operation for 27.5 to 50 Ton
Units with Modulating Reheat. . . . . . . . 157
HPC Logic . . . . . . . . . . . . . . . . . . . . . . . . . . 158
HPC Sequence of Operation. . . . . . . . . . 158

Transformer Troubleshooting . . . . . . . . . . . . 160

Novar Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Sequence of Operation. . . . . . . . . . . . . . . . . . 161

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Cooling with an Economizer . . . . . . . . . 161
Cooling without an
Economizer. . . . . . . . . . . . . . . . . . . . . . . . . 161
Economizer Set-up . . . . . . . . . . . . . . . . . . 161
[Gas/Electric] Heating . . . . . . . . . . . . . . . 162

Novar Controls Checkout/
Troubleshooting Procedure . . . . . . . . . . . . . 162

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Checkout Procedure . . . . . . . . . . . . . . . . . 162

Constant Volume (CV) and Variable Air
Volume (VAV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Constant Volume (CV). . . . . . . . . . . . . . . . . . . 164

Variable Air Volume (VAV) . . . . . . . . . . . . . . 164

VAV with ReliaTel

™

versus VAV with

UCP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
RTRM - ReliaTel

™

Refrigeration

Module - (Standard) . . . . . . . . . . . . . . . . . 164
RTOM - ReliaTel

™

Options Module -

(Standard). . . . . . . . . . . . . . . . . . . . . . . . . . 164
RTAM - ReliaTel

™

Air Handler

Module - (Standard on VAV) . . . . . . . . . 164
ECA - Economizer Actuator -
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . 164
TCI - Trane

Communication

Interface - (Optional) . . . . . . . . . . . . . . . . 165
LCI - LonTalk

Communication

Interface (optional) . . . . . . . . . . . . . . . . . . 165
IGN - Ignition Control Module (YC*
only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Configuration Input . . . . . . . . . . . . . . . . . 165

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Содержание ReliaTel

Страница 1: ...us and requires specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observ...

Страница 2: ...nment Trane advocates the responsible handling of all refrigerants including industry replacements for CFCs and HCFCs such as saturated or unsaturated HFCs and HCFCs Important Responsible Refrigerant...

Страница 3: ...el le ec ct tr ri ic ca al l c co on nt ta ac ct t a ar rc c o or r f fl la as sh h t te ec ch hn ni ic ci ia an ns s M MU US ST T p pu ut t o on n a al ll l P PP PE E i in n a ac cc co or rd da an nc...

Страница 4: ...tem RTRM J6 9 34 Cooling RTRM J6 8 35 Heating RTRM J6 7 35 HEAT FAIL and COOL FAIL at the Same Time RTRM J6 7 8 Pulsing Voltage 36 Compressor Will not Run no Diagnostics 36 Supply Fan OFF no Diagnosti...

Страница 5: ...oor Fan 59 Two Speed Fan Control 59 Multi Speed PWM Controlled Indoor Fan with Dual Capacity Compressor 61 Single Zone VAV 64 Supply Fan Output Control VFD Equipped Units 64 Direct Drive Backwards Cur...

Страница 6: ...esistance Test 79 Step Test 79 Test Modes 80 Service Tips 80 Emergency Stop Input LTB 5 6 3J1 12 on RTRM 80 Fan Proving input 5J7 6 on RTOM 80 Compressor Disable Inputs 3J1 8 3J3 2 2 Compressor units...

Страница 7: ...Tel 126 Economizer Module Layout 126 ReliaTel Economizer Layout RTEM 127 Economizer Actuator Layout Electromechanical 127 VAV Economizer Cooling Operation 128 Economizer Operation with Zone Sensor Pro...

Страница 8: ...2 5 to 25 Tons 152 Sequence for eFlex Units 152 Sequencing Control 27 5 to 50 Tons 152 Independent Circuit Heat Pump Odyssey 155 Phase Monitor 156 ReliaTel 3 to 25 Tons 156 Circuits 157 Snubber Circui...

Страница 9: ...Notes 167 BAYSENS021 Setpoint Input 168 Remote Setpoint Inputs on RTAM J7 168 Outdoor Air Flow Compensation for MZVAV Units 172 3 to 50 Tons 172 Setup 172 Operation for RTRM 7 0 and Earlier with RTEM...

Страница 10: ...omizer are different than the ones used with ReliaTel Service information for these components are handled separately in this book ReliaTel controls 9th digit R Electromechanical controls 9th digit E...

Страница 11: ...r sensor connected to the RTRM provides outdoor temperature information for the changeover decision The ECA accepts the following inputs Mixed air sensor MAS Return air sensor RAS for comparative enth...

Страница 12: ...mounting screws 1 Pop in wire tie BAYLTCI002 ReliaTel BACnet Communication Interface BCI R General Information The building automation and control network BACnet and ANSI ASHRAE Standard 135 2004 pro...

Страница 13: ...cating ZSM Indoor Fan Output BOP MODBUS Communication Compressor 1 Output BOP Compressor 1 Proving BIP Compressor 1 Disable BIP Emergency Stop BIP Electric Heat 1st Stage Electric Heat 2nd Stage Servi...

Страница 14: ...an Output BOP MODBUS Communication Compressor 1 Output BOP Compressor 1 Proving BIP Compressor 1 Disable BIP Emergency Stop BIP Service Test input BIP Outdoor Air Temp AIP LEDs System TX RX 24 VAC Pow...

Страница 15: ...il Sensor Temp AIP Electric Heat 2nd Stage Compr 1 Disable BIP Service Test input BIP Outdoor Air Temp AIP LEDs System TX RX 24 VAC Power Sensor Resistor Electric Heat 2 Electric Heat 1 CC1 SOV Unit C...

Страница 16: ...Fan Setpoint AIP 24 VAC Exhaust BIP Purge BIP Pressurize BIP Dehumid SP Humidistat BIP Dehum Reheat 3 to 50 Tons Voyager Commercial Configuration Condenser Fan Cycling 27 5 to 50 Tons Modulating Gas...

Страница 17: ...Adjustment 500 1500 ppm Mixed Air Temp AIP 10K 25C Neg Coeff Return Air Relative Humidity AIP 4 20 mA Pos Coeff Return Air Temp AIP 10K 25C Neg Coeff Outdoor Air Relative Humidity AIP 4 20 mA Pos Coe...

Страница 18: ...RTRM v8 0 1000 2000 ppm RTRM v8 0 later Mixed Air Temp AIP 10K 25C Neg Coeff Return Air Relative Humidity AIP 4 20 mA Pos Coeff Return Air Temp AIP 10K 25C Neg Coeff Outdoor Air Relative Humidity AIP...

Страница 19: ...odule COMM 3 4 Module LCI Options Module or RTAM VAV Modbus Communication Must be configured for COMM3 or COMM4 depending on input device LCI is self configured Address BIP COMM3 4 only Building Autom...

Страница 20: ...Setpoint Remote Static Pressure Deadband Remote Reset Setpoint Remote Reset Amount Remote Morning Warmup setpoint Remote Supply Air Cooling Setpoint Static Pressure Setpoint Static Pressure Deadband...

Страница 21: ...e 9 ReliaTel ventilation module RTVM 3 to 25 Tons Options Module Ventilation Module Modbus Communication Bldg Pressure Setpoint Bldg Pressure Setpoint Deadband 24 VAC M Mo od du ul le e F Fl lo ow w D...

Страница 22: ...ressure Transducer Bldg Pressure Setpoint Bldg Pressure Setpoint Deadband For Traq Options Module 24 VAC Ventilation Module Modbus Communication Statitrac Config Exhaust Damper Output Bldg Pressure Tr...

Страница 23: ...e RTDM 27 5 to 50 tons only Figure 12 ReliaTel TD 5 Human Interface 32 0 3 1 42 1 7 1 154 0 1 6 147 0 8 5 106 4 2 4 115 3 5 4 N No ot te e For further information please see literature number RT SVX49...

Страница 24: ...24 RT SVD03L EN Figure 13 Electromechanical logic module RTEM EM M Mo od du ul le e F Fl lo ow w D Di ia ag gr ra am m...

Страница 25: ...is where a load shedding device could be connected Emergency Stop If the factory installed jumper from 5 to 6 is removed emergency stop the unit will not run The RTRM system LED will be on The unit w...

Страница 26: ...cation Module Fan Relay Compressor Contactor OD Fan Capacitor Crankcase Heater Thermostat Inducer transformer 460 575 only Zone sensor or thermostat connections 24 VAC control transformer Low Voltage...

Страница 27: ...ssor Contactors Inducer Transformer 460 575 only Zone Sensor or Thermostat Connections 24 VAC Control Transformer Low Voltage Terminal Strip OD Fan Capacitor Thermostat Zone Sensor or CC1 CC2 Compress...

Страница 28: ...ase Voltage Monitor Inducer Motor Transformer 460 575 only Ignition Module IGN Manual Motor Control Module MMC Indoor Fan Relay TCI COMM3 4 or LCI Interface ReliaTel Refrigeration Module RTRM Zone Sen...

Страница 29: ...nnections TCI or LCI Communication Module 24 VAC Control Transformer Low Voltage Terminal Block Fan Relay Compressor Contactors CC2 CC1 Zone Sensor or Thermostat Compressor 1 Disable Compressor 2 Disa...

Страница 30: ...layout 12 5 to 25 Tons Ignition Module TD 5 Remote Human Interface RHI RTRM Refrigeration Module RTOM Options Module Low Voltage Terminal Blocks 24 VAC Control Transformer T Ty yp pi ic ca al l C Co...

Страница 31: ...RT SVD03L EN 31 Figure 22 Typical control box layout 27 5 to 50 Tons Test Switch T Ty yp pi ic ca al l C Co on nt tr ro ol l B Bo ox x L La ay yo ou ut t...

Страница 32: ...Temp 2 Common Outdoor Coil Temp 2 In 1 Independent Circuit Mode Dehumid Config Fan Proving 2 RTRM Fan Fail Config 3 24 VAC Common Config Common Config 1 Compressor Config Non Heat Pump Config 1 Stage...

Страница 33: ...or failure during unoccupied mode and on units with modulating reheat VAV only Static pressure transducer output failure VAV only High duct static pressure trip VAV only Discharge air sensor failure V...

Страница 34: ...ed to open 3 to 25 Tons or closed 27 5 to 50 Tons before 40 seconds During this condition the unit will run for 40 seconds and then stop Only the fan will run during the TEST mode except during the fi...

Страница 35: ...t inputs have failed or are not attached such as when using a two wire sensor on terminals 1 2 Programmable ZSM The ZSM has failed to communicate for 15 consecutive minutes after successful communicat...

Страница 36: ...OOL AM Mo Part Number SEN01522 Unit is in O OF FF F mode locally or through TCI LCI Heat Pump Compressors Will not Run Unit is in the E EM ME ER RG GE EN NC CY Y H HE EA AT T mode If the compressor di...

Страница 37: ...oint is identified as NCI network configuration Input nciSetpoints occupied heat The default setpoint is 71F The MWU initiate setpoint is nciSetpoints occupied heat 1 5F Default Operations The ReliaTe...

Страница 38: ...ber do COMM3 4 and COMM5 Communication Interface Module use MODBUS communication directly with the RTRM Tracker and Tracer require inputs as shown Table 4 Default operation for ICS control J6 input co...

Страница 39: ...it can be placed in the return air stream then connect the sensor to J6 1 J6 2 After the permanent zone sensor or thermostat is in place the sensor must be removed from J6 1 J6 2 If the RTRM does not...

Страница 40: ...ol Fan Speed RTOM Location 3 to 10 Tons The RTOM is installed in the indoor fan section When field installed it comes with a short harness which allows both ends of the unit control harness to be atta...

Страница 41: ...mode F Fa an n p pr ro ov vi in ng g s sw wi it tc ch h 2 27 7 5 5 5 50 0 t to on ns s is factory set to close at 0 15 and is adjustable from 0 05 to 12 0 though adjustment is not recommended If the s...

Страница 42: ...S SP PD D potentiometer sets the fan speed on some Precedent and Odyssey products It also sets the discharge air cooling setpoint limit on Voyager units N No ot te e For RTOM v3 0 and later test point...

Страница 43: ...able 9 RTOM dehumidification setpoint continued Voltage Vdc Setpoint 1 625 52 1 745 53 1 824 54 1 853 55 1 929 56 1 978 57 2 07 58 2 136 59 2 184 60 2 259 61 2 268 62 2 324 63 2 397 64 Discharge Air D...

Страница 44: ...g setpoint lower limit Table 12 Odyssey DA cool setpoint mounted above keyboard F VDC 40 0 1 41 0 2 42 0 3 43 0 45 44 0 55 45 0 7 46 0 8 47 0 95 48 1 05 49 1 15 50 1 25 51 1 3 52 1 35 53 1 45 54 1 55...

Страница 45: ...e the RTVM for mod gas usage J4 Inputs J4 3 4 5 provide 5Vdc to the space pressure transducer an input for the space pressure signal to the control board and a common for the transducer N No ot te e P...

Страница 46: ...16 2 0755 0 17 2 112 0 18 2 1485 0 19 2 15 0 2 2 17 0 21 2 19 0 22 2 22 0 23 2 25 0 24 2 275 0 25 2 3 0 26 2 325 0 27 2 35 0 28 2 375 0 29 2 42 0 3 Table 14 RTVM space pressure setpoint deadband Volta...

Страница 47: ...PC Signal Input 12 Vdc 24 VAC 24 VAC COMMON MODBUS MODBUS RTDM Inputs Outputs J4 J2 Inputs J4 provides 24VAC power in to the board and MODBUS communication to and from the RTRM J2 provides 24VAC power...

Страница 48: ...ll 17 Plus units have the additional standard feature of enhanced dehumidification Once the space humidity value exceeds the dehumidification setpoint on the RTOM R 41 the unit will energize the first...

Страница 49: ...of the motor to maintain the set cfm Figure 31 17 Plus 3 5 Tons airflow control configuration Multi speed operation is standard on all 17 Plus units Single zone VAV is available on 17 Plus units as a...

Страница 50: ...s a standard constant volume multi speed or SZVAV fan operation Examples YSC120FWRLA01D6E0A1060004 is a SZVAV unit YSC120FWRLA01D7E0A1060004 is a multi speed unit SC120FWRLA01D0E0A1060004 is a standar...

Страница 51: ...vaporator Fan Motor Unit Identification Voyager units use a forward curved evaporator fan with a VFD controlled motor for multi speed and SZVAV options Unit fan control type can be identified by the 9...

Страница 52: ...r maximum cooling both compressors running or any stage of heat Field adjustment of the VFD is not necessary or recommended with Voyager multi speed or SZVAV package units Indoor Fan Control Descripti...

Страница 53: ...nd the VFD to the appropriate speed SZVAV ReliaTel Only Odyssey Field wiring m mu us st t be provided between the RTRM in the outdoor unit and the RTOM in the air handler Figure 45 SZVAV wiring electr...

Страница 54: ...ameter 6 14 using the provided VFD keypad Refer to the unit IOM for specific instructions on airflow adjustment SZVAV air handlers use a combination of adjusting the R 136 potentiometer on the RTOM si...

Страница 55: ...e supply fan to run at HIGH speed The minimum position of the economizer damper is allowed to travel between 0 and 50 when the fan is at HIGH speed This is adjusted by the DESIGN Min potentiometer on...

Страница 56: ...r open to 100 Sensor calibration adjustment To make a minor correction to the Traq airflow reading that is calculated internally by the ReliaTel system an adjustment pot is available on the RTVM This...

Страница 57: ...100 1 73 Table 15 Design minimum OA flow setpoints continued Design Min OA Flow Setpoint R130 DCV Min OA Flow Setpoint R41 Voltage Reading Airflow CFM Airflow CFM Voltage Vdc 11200 11200 1 74 11300 11...

Страница 58: ...6 1 05 2 1 06 2 03 1 07 2 06 1 08 2 1 1 09 2 12 1 1 2 14 1 11 2 16 1 12 2 18 1 13 2 2 1 14 2 24 1 15 2 26 1 16 2 28 1 17 2 3 1 18 2 34 1 19 2 36 1 2 2 4 Economizer Fault Detection and Diagnostics Faul...

Страница 59: ...agnostic Excessive Outdoor Air Diagnostic Mixed Air Temperature Low Limit Active LonTalk Communications Interface LCI Refer to the list below for the variables in the LCI interface that require specif...

Страница 60: ...RTEM Building Design minimum position pot 0 50 If the Building Design minimum position is set to be higher than the DCV min Position the setpoints will be capped at the DCV min position and the setpo...

Страница 61: ...Compressor Output at 2nd Stage 7 5 mins 100 Any 100 0 Note The rating output refers to the maximum fan speed signal as a percentage of the user selected unit maximum airflow that will be applied to t...

Страница 62: ...or Fan Control This unit control scheme will require no changes in existing outdoor fan control logic for ReliaTel The unit design currently only supports a single outdoor fan so the Outdoor Fan B out...

Страница 63: ...eating control Once EDh terminates and there is no request for heating cooling or ventilation there will be a 60 second supply fan off delay in which the supply fan will continue to run at the EDh spe...

Страница 64: ...sing ReliaTel controls for normal zone control and will be selectable between AUTO and ON via a connected zone sensor module or through BAS Network controllers Ventilation Control Units configured for...

Страница 65: ...control will create a temporary DACSP LL that will be used to determine fan speed output control The temporary DACSP will not be allowed to be less than the user selected DACSP LL As DACSP falls below...

Страница 66: ...UL As the heating load in the zone decreases the fan speed will decrease down to minimum and the heat output will modulate as necessary As the load in the zone continues to drop the fan speed will be...

Страница 67: ...is requested or de energized if the reheat circuit de energizes Staged On Off Dehumidification w HGRH for Non 17 SEER SZVAV Dehumidification Transitions Zone Overrides At startup a ZT value greater t...

Страница 68: ...unit will transition into full HGRH until the SH falls below the DhSp 5 If at any time the SH value rises above the DhSp 2 the unit will also transition into full HGRH until the SH falls below the DhS...

Страница 69: ...ed in Entering Dehumidification above All other normal overrides will be in effect Once the Humidistat input goes inactive the unit will transition out of dehumidification as described above in Leavin...

Страница 70: ...ds on VSPD Compressor Configured Units This subsection covers expected supply fan indoor fan speeds during active ventilation efforts Active ventilation supply fan speeds for all supported eFlex varia...

Страница 71: ...n compressor operation is requested the VSPD compressor will be started first and its speed will be increased up to 100 based on the unit configuration If in the case of the multi compressor unit the...

Страница 72: ...22 27 25F OAT 40F Min Hz Max Startup 236 26 16 311 22 23 358 22 27 OAT 20F Min Hz Max Startup 236 26 16 311 22 23 358 22 27 Note A 2 Hz hysteresis around the VSPD compressor speed will be implemented...

Страница 73: ...itioning from a high speed to a lower speed Test Modes VSPD compressor equipped units will require handling for two test mode sequences See below for additional information on each mode Failure and Pr...

Страница 74: ...ecedent 6T 10T eFlex Emerson Compressor Enabled Units On eFlex units incorporating an Emerson compressor a condensing temperature sensor and evaporator temperature sensor will be used to control the m...

Страница 75: ...gh pressure condition on the VSPD compressor circuit the system will react identically the same as today s operation In the event that the system encounters the issue described in the above problem st...

Страница 76: ...he unit Service Facts plot the actual RPM step 1 and the BHP step 2a to obtain the operating CFM 3 If the required CFM is too low external static pressure is high causing motor HP output to be below t...

Страница 77: ...4 second on 2 seconds off No communication Off No power or board failure ReliaTel Dehumidification Module RTDM NA No Onboard LED Economizer Actuator Module ECA RTEM Green system LED On OK to economiz...

Страница 78: ...ation to be downloaded While in boot mode the system will not run any applications Not illuminated Application code is running operating normally Status LED Solid green Normal operation Blinking green...

Страница 79: ...c co on no om mi iz ze er r c cl lo os se e C Co oo ol l 1 1 C Co oo ol l 2 2 C Co oo ol l 3 3 R Re eh he ea at t V Va al lv ve e for Staged Dehumidification M Mo od du ul la at ti in ng g R Re eh he...

Страница 80: ...nitiating the T TE ES ST T mode if emergency stop is open the LED on the RTRM will flash one time Fan Proving input 5J7 6 on RTOM The indoor fan will run in the T TE ES ST T mode for 40 seconds and th...

Страница 81: ...50 68 4 7K 4 Cool 2 On On Norm a Off Off On Min On 50 68 6 8K 5 Heat 1 On On Off Off Off Off Min On 50 b 68 10K 6 Heat 2 On On Off Off Off Off Min On 100 b 100 15K 7 Heat 3 On Off c On Off c Off On Of...

Страница 82: ...n 100 4 7K 4 Cool 2 On On Off Norm a Off Off On Min On 100 6 8K 5 Cool 3 On On On Norm a Off Off On Min On 100 8 2K 6 Heat 1 On On Off Off Off Off Off Min On 100 10K 7 Heat 2 On On On Off Off Off Off...

Страница 83: ...h efficiency heat pump MZVAV w unloading compressor Mode C1 Unload ed C2 Loaded EMAIR Fan Spd Fixed Spd CFB Heat 1 Heat 2 SOV 1 Econ S Fan S Fan Speed Com mand ECM Resistance 1 IGV VFD Open Off Off Of...

Страница 84: ...f the OAT falls below 70F On if the OAT rises above 75F d CPR2 OFF during Cool 2 on a 3 step cooling unit Table 43 Voyager Precedent electric electric units 3 to 25 tons Step Mode IDM Econ CPR1 CPR2 H...

Страница 85: ...for at least 1 minute up to 10 minutes depending on outdoor ambient and outdoor coil temperature Table 45 Precedent electric electric 17 SEER Test Step Mode Fan Econ Comp 1 Comp 2 Heat 1 Heat 2 Resis...

Страница 86: ...5 to 25 tons eFlex Test Step Mode Supply Fan Output VSPD Compressor Capacity Output Fixed Compressor 1 Fixed Compressor 2 Outdoor Fan PWM Output 1 Fan On 0 25 0 OFF OFF 0 2 Econ 0 25 0 OFF OFF 0 3 Coo...

Страница 87: ...f NA On Mid Speed 4 7 K 4 Cool 2 On On Norm a Norm a Off Off On NA On High Speed 6 8 K 7 Heat 1 Off Off Off Off On Off Off NA On High Speed 10 K 8 Heat 2 Off Off Off Off On On Off NA On High Speed 15...

Страница 88: ...ng cannot be changed in the field 4 Economizer Power Exhaust Damper HT1 HT2 Mod Heat Cool Valve Reheat Valve and Reheat Pump Out with optional feature a 27 to 35 On 30 to 50 Off b 27 to 35 ton units h...

Страница 89: ...NAL 0 OFF 0 0 VDC CLOSED OFF OFF OFF OFF OFF OFF 100 0 ON 3 MIN VENT ON IN CONTROL MIN OFF OFF OFF OFF OFF OFF 100 0 ON 4 ECON TEST OPEN ON IN CONTROL OPEN OFF OFF OFF OFF OFF OFF 100 0 ON 5 COOL 1 ON...

Страница 90: ...able 57 Test mode states for Voyager Commercial SZ VAV units with modulating dehumidification and staged heat Test Step Mode Fan VFD Command Econ Comp 1 Comp 2 Comp 3 Heat 1 Heat 2 Pumpout Cool Valve...

Страница 91: ...rolled as defined for normal operation 8 5 stage high efficiency units Exhaust fan operates as defined for normal operation based on economizer position 9 5 stage high efficiency units When compressor...

Страница 92: ...the Economizer position during Service Test Mode and the Exhaust Fan will be energized once the economizer rises above the exhaust enable setpoint 5 5 stage high efficiency units Compressor 1 is the s...

Страница 93: ...ervice test Table 63 Single zone VAV non heat pump units w staged heating Step Description RTRM Supply Fan Output RTOM Fan Speed Output VFD Standard PWM RTOM Fan Speed Output 17 SEER PWM ERM BC Plenum...

Страница 94: ...rrently support modulating heat as a heating type so the minimum speed has not been defined based on product requirements The following table shows the unit operation during normal test mode As on non...

Страница 95: ...lled based on the active OATas during normal operation d VAV boxes are commanded to an open position during service test However six minutes must be allowed for the VAV boxes to reach a fully opened p...

Страница 96: ...in reference to the 100 capacity point per unit tonnage a During step 1 of the short circuit based service test sequence the IGV output is driven to 0 However for the 2 2kOhm resistance based service...

Страница 97: ...ature input on startup then the thermostat RGYW inputs are ignored A programmable zone sensor will take priority over either input when connected and an ICS system takes the highest priority Table 70...

Страница 98: ...ough the fan housing D Di is sc ch ha ar rg ge e A Ai ir r S Se en ns so or r Field or factory installed in the supply fan section using an averaging tube located downstream of the heat section Figure...

Страница 99: ...auto changeover Five conductors required Figure 54 BAYSENS108 ASYSTAT108 2 4 3 5 Signal common Cool setpoint CSP Calibration Pot 1 see Note 1 R7 3 92 kW Note 1 Pot 1 and Pot 2 are factory calibrated F...

Страница 100: ...e Sensor Module ZSM dual set point with LEDs manual auto changeover Ten conductors required Figure 56 BAYSENS110 ASYSTAT110 RT1 thermistor 10 k at 25 C W 1 2 4 Calibration Pot 1 see Note 1 R7 3 92 kW...

Страница 101: ...de cancel button Two conductors required Figure 58 BAYSENS073 Timed override Cancel SW2 R1 1 5 k Timed override On SW1 Zone temperature Signal common 1 2 RT1 thermistor 10 k at 25 C Dwg source 3270 34...

Страница 102: ...019C The BAYSENS119 has the same programming options and capabilities as the BAYSENS019C but also has improved thermistors that increases sensing accuracy and is still compatible with all equipment us...

Страница 103: ...n optional remote sensor p n BAYSENS017 to terminals S1 and S2 Connect the shield wire drain wire from the shielded cable to terminal 11 b Connect the 24 Vac power supply from the unit controller to t...

Страница 104: ...LCD screen Figure 63 BAYSENS135 terminal block RJ11 RJ22 compatible connection for a Trane service tool 11 10 9 8 7 24 VAC VDC GROUND COMM COMM 6 5 HEAT SETPOINT HSP 4 SYS FAN MODE MODE 3 SETPOINT 2...

Страница 105: ...be installed in the supply duct Figure 64 High temperature sensor diagram Sensing Element Manual Reset Button Component Description BAYFRST001A Part Number CNT 0637 CNT 0638 24 VAC TEST 1 TEST 2 Compr...

Страница 106: ...here is a preference for a specific thermostat model and in others there is reluctance to adopt newer technology that may not be as well understood as conventional thermostats In addition non Trane Bu...

Страница 107: ...2 operation T T provides heat anticipation signal for those mechanical thermostats that use this feature If the thermostat used does not have a T terminal disregard this terminal U Un no oc cc cu up...

Страница 108: ...s Yes Yes Yes Yes Yes Yes Is the call for heat satisfied Has the heat output been at 80 for 15 consecutive minutes Is the call for heat satisfied Heat output ramps to 100 Heat outputs off Heat output...

Страница 109: ...53 3 412 48 20 953 3 383 49 20 396 3 353 50 19 854 3 324 51 19 33 3 294 52 18 821 3 264 53 18 327 3 233 54 17 847 3 203 Table 80 Temperature input continued Temp F Resistance K ohms DC Volts 55 17 382...

Страница 110: ...9 1 908 65 0 5974 1 87 66 0 5779 1 831 Table 82 Setpoint inputs continued Temp F Resistance K ohms DC Volts 67 0 5584 1 792 68 0 539 1 751 69 0 5195 1 709 70 0 5 1 667 71 0 4805 1 623 72 0 461 1 578 7...

Страница 111: ...e with a voltage value randomly changing from approximately 24 to 32 vdc 5 On the PZS press the FAN button to turn the fan ON If the fan comes on the PZS is good if the fan does not come on the PZS ma...

Страница 112: ...not run during unoccupied mode Periods Check option 6 in Option menu setup for Auto selection during unoccupied Table 84 Troubleshooting continued Symptom Probable Cause and solution Buzzer indicates...

Страница 113: ...dry Induced voltage high voltage wires in same conduit Table 85 Temperature input Temp F Resistance K ohms DC Volts 40 345 684 4 856 39 333 237 4 851 38 321 274 4 845 37 309 777 4 84 36 298 724 4 834...

Страница 114: ...08 92 6 963 2 052 93 6 803 2 024 94 6 648 1 996 95 6 497 1 969 Table 85 Temperature input continued Temp F Resistance K ohms DC Volts 96 6 35 1 942 97 6 207 1 915 98 6 067 1 888 99 5 931 1 861 100 5 7...

Страница 115: ...57 176 1 261 0 561 177 1 239 0 552 178 1 217 0 543 179 1 196 0 535 180 1 174 0 526 Table 85 Temperature input continued Temp F Resistance K ohms DC Volts 181 1 154 0 518 182 1 133 0 51 183 1 113 0 50...

Страница 116: ...wired as shown below in order to provide an average input to the mechanical or programmable Zone Sensor Module BAYSENS106 BAYSENS111 ASYSTAT106 109 ASYSTAT111 BAYSENS019 AYSTAT666 If using a Programm...

Страница 117: ...nits have the same address neither will communicate If the unit has a DIP switch setting other than the ones specified in the IOM Tracker will not recognize it Once the unit communicates with Tracker...

Страница 118: ...VD03L EN 27 5 to 50 tons Fan proving circuit RTOM 5J7 6 is opened should close when fan is on If not the fan will run in TEST mode for 40 seconds and then stop C CO OM MM M3 3 4 4 I In nt te er rf fa...

Страница 119: ...oltage Nominal 90Vrms Flame sense signal Nominal 4 5 micro amps minimum 1 2 micro amps Pre purge 20 seconds Post purge 5 seconds Inter purge 60 seconds Flame establishment period 2 to 7 seconds Flame...

Страница 120: ...ore 2nd stage is energized When the zone sensor or thermostat is satisfied the gas valve is de energized the inducer runs for 5 seconds then stops post purge and the IBM runs for 60 seconds then stops...

Страница 121: ...re Voltage Max Fire Voltage 175 40 68 0 47 2 5 76 200 40 70 0 49 2 5 92 225 40 71 0 52 2 6 16 250 40 73 0 55 2 6 4 275 40 75 0 58 2 6 64 300 40 77 0 61 2 6 88 Table 88 Precedent 6 to 10 tons modulatin...

Страница 122: ...up with no heat call Slow flash rate Normal call for heat second on second off Fast flash rate Used for error indication only One flash Communication loss between RTRM and IGN Two flashes System lock...

Страница 123: ...dule labeled FLAME CHECK located at the bottom of the module Flame current can be measured with a DC voltmeter One volt dc equals one microamp of flame current 1vdc 1mA 27 5 to 50 tons high heat units...

Страница 124: ...frost termination temperature as defined below The service test defrost request will remain active for a maximum of 10 minutes after which the unit will transition out of the defrost step as described...

Страница 125: ...rost Fault DT is below Minimum Value 12 minutes after defrost is terminated Low DT If 2 hours activate Defrost Fault Reset timer if DT returns within bounds Table 91 Demand defrost fault designation c...

Страница 126: ...rly To read the actual damper position read the DC voltage at the 2 10 vdc feedback input terminals 2 vdc is closed 10 vdc is 100 open To drive 2 actuators with 1 control connect field wiring as shown...

Страница 127: ...Setpoint and the wire plug for power and ModBus communications is also available This module will only be applied on units that are supplied from the factory without any economizer options such as Ref...

Страница 128: ...below the damper will close to the minimum position If the economizer is not able to satisfy the cooling setpoint 1st stage cooling will be energized Should the cooling setpoint not be satisfied with...

Страница 129: ...oes not strongly affect cooling capacity of the outdoor air or return air Dry bulb temperature and relative humidity data are used to determine enthalpy Economizer based cooling is enabled only when o...

Страница 130: ...lpy method Method used to determine economizer effectiveness Required Data Comparative Enthalpy MAS OAT OAH RAT RAH Reference Enthalpy MAS OAT OAH Reference Dry Bulb MAS OAT Unit will not economize MA...

Страница 131: ...arative enthalpy control the OA or RA temp is greater than 120 F or less than 32 F the economizer control will revert to reference enthalpy control if the OA temp is within 32 F and 120 F If the unit...

Страница 132: ...714 51 19 36 1 699 52 18 852 1 685 53 18 359 1 67 54 17 88 1 656 55 17 415 1 641 56 16 964 1 626 57 16 527 1 611 58 16 102 1 596 59 15 689 1 581 60 15 288 1 566 61 14 899 1 551 62 14 521 1 536 63 14...

Страница 133: ...119 3 824 1 383 120 3 743 1 362 ReliaTel Economizer Control Actuator LED Fault Code Info N No ot te e Actuator fault Honeywell Obsolete Not Available to Order An actuator fault will occur when the eco...

Страница 134: ...TR TR1 SO SR 5 2 4 1 3 T T1 P P1 Minimum Position Open CW Close CCW A B C D CC1 CC2 Figure 84 Economizer actuator ECA connected to the unit R E D BLUE W H I T E Outdoor Ent hal py Cont rol Ret urn En...

Страница 135: ...y Full open economizer minimum position is accomplished by setting the ECA 50 minimum position potentiometer to 100 and installing a set of contacts in series with the existing 130 ohm resistor to ter...

Страница 136: ...mer When G is energized the N O contacts between 1 and 2 close immediately energizing the fan relay F which in turn starts the indoor fan When G is de energized the contacts between 1 and 2 remain clo...

Страница 137: ...CA with the sensor disconnected The DC voltage at the OAH and RAH pins on the Honeywell ECA module should be approximately 15 or 20VDC depending on the ECA version or 23Vdc if the module is a RTEM If...

Страница 138: ...8 182 25 8 8 12 25 4 8 06 25 8 24 6 7 941 24 3 7 833 Table 97 Module voltage compared to return humidity continued RH DCma 23 9 7 826 23 6 7 77 23 2 7 714 22 9 7 66 22 5 7 606 22 2 7 552 21 9 7 5 21 6...

Страница 139: ...pply air tempering is enabled the fan mode is on active mode is heat or emergency heat and with the unit not actively heating Stage 1 of heat is turned ON when the supply air temperature is 10 F below...

Страница 140: ...of the unit If the mixed air sensor is relocated to the discharge of the unit no further action is required The sensor will report back true discharge temperature through the economizer module and als...

Страница 141: ...n this terminal block Emergency shutdown from the LTBI 5 6 will override any ventilation override mode Ventilation override inputs override smoke detector inputs through the RTOM 3 25 tons only Table...

Страница 142: ...TEM Operation Units equipped with an RTEM economizer logic module will perform Demand Controlled Ventilation differently based on the RTRM version also installed in the unit See below for information...

Страница 143: ...r is at the DCV min position the supply fan will de energize if not requested ON by another function The RTEM allows the selection of either active or passive DCV control Installing a jumper across J1...

Страница 144: ...r limit the supply fan will energize and a PID control loop modulates the position of the outdoor air damper to bring in more outdoor air to maintain indoor CO2 level at this upper limit the operation...

Страница 145: ...ed The RTVM is mounted next to the RTOM or in the return air section See the accessory kit instructions for installation details Figure 93 RTVM callouts DA Cool Fan SPD RTVM R136 potentiometer adjusts...

Страница 146: ...ately 75 open in the MEDIUM fan speed There is no DCV min setup for MEDIUM fan speed The value from R41 from the previous step is retained for the MEDIUM fan speed Again blow on the CO2 sensor to simu...

Страница 147: ...or or thermostat while in reheat the reheat valve is de energized and the compressor continues to run or the heat is turned on The three minute compressor on and off times are still active during comp...

Страница 148: ...ode is active and requesting the supply fan off Dehumidification setpoint is set to 0 Tracer Override If using a zone sensor and unit mode is set to manual heat and active zone temp or equal to active...

Страница 149: ...Commercial modulating hot gas reheat S S C O M P R E S S O R Time Delayed LPC Modulating Valves C O N D S B C L R E H E A T E V A P O R A T O R 0 1 Bleed Line TXV bulb RH Check Valve RTRM handles the...

Страница 150: ...omizer is enthalpy disabled if the unit is in the heating mode and the zone temperature is rising the unit will change to the cooling mode when the zone temperature is greater than the greater of the...

Страница 151: ...he EDC logic is disabled and the 2 condenser fan will run continuously Compressor OFF ON 10 min accumulated compressor run time OFF ON Indoor Fan OFF ON Continues to run during 3 min defrost time Minu...

Страница 152: ...condenser fan will restart Because the contactors that provide power to the condenser fan are also the same ones used to power the compressors both compressors if the second compressor is running wil...

Страница 153: ...During active dehumidification all compressors will be staged On For units equipped with four condenser fans 40 and 50 Ton the condenser fan output states will be controlled based on the O A temperat...

Страница 154: ...65 70 2 OR 4 ON OFF 75 80 2 or 4 ON ON 70 115 4 ON ON 80 115 4 50 Ton High Eff and Std Eff CV Compressor Stages 3 4 Compressor Stage 5 Fan 1 Fan 2 Fan 3 4 Ambient Range F Cond Fans On Fan 1 Fan 2 Fan...

Страница 155: ...B output will be energized whenever compressor circuit 1 is energized The outdoor fan A output will be energized whenever compressor circuit 2 is energized These statements hold true for active heatin...

Страница 156: ...out terminals on the phase monitor this will also cause the red LED to illuminate and will not allow the unit to run If a red LED is displayed swap two leads on the incoming power to the unit If the r...

Страница 157: ...revised and is still dependent on outdoor ambient temperature If the outdoor temperature is less than 40 F the LPC bypass delay will be set to 60 seconds When the outdoor temperature is between 40 to...

Страница 158: ...circuit has been active for 10 minutes the reheat circuit compressor 2 output will de energize along with circuit 1 after its minimum on time during active reheat For dual circuit units if the unit i...

Страница 159: ...an active call for cooling the unit will be shut down and locked out and will require a manual reset If any time during the counter routine the call for cooling goes away the counter will reset and th...

Страница 160: ...rmer failure is not so obvious It can also fail when excessive voltage drops occur because of poor connections thermostat wires too long bad contacts on the smoke detector etc The excessive voltage dr...

Страница 161: ...t they will continue to adhere to minimum on off and inter stage timing N No ot te e When compressors are activated and the indoor coil begins to cool down the temperature of the mixed air sensor may...

Страница 162: ...mmunications are exchanged or be ON steady and blink OFF during communications if in scheduled ON mode The status lights on the main ReliaTel control modules will be on steady if the boards are powere...

Страница 163: ...operate independently of each other and must adhere to a 3 minute delay between stage additions If problems are encountered complete the checks above except verify proper connection between the cool...

Страница 164: ...e link RTRM ReliaTel Refrigeration Module Standard This is the primary control module It has built in terminal strips for zone sensor thermostat and night setback connections as well as diagnostic out...

Страница 165: ...nfiguration inputs are only recognized at unit power up Where GND is indicated below the input is connected to chassis ground Where JUMPER is indicated below both connection points are shown Unit Type...

Страница 166: ...r is connected to a tubing connector on a vertical support of the unit and is field connected to the outside air pressure sensor as pictured below The transducer is wired to the RTAM and the decision...

Страница 167: ...sducers get replaced in error when the real culprit is a loose tube or clogged fitting The polyethylene tubing in the transducer circuit does not readily go back to its original shape after use Theref...

Страница 168: ...module in the control compartment The chart can be used for troubleshooting the RTAM module or for applying a remote setpoint to the unit Each setpoint can be provided remotely by applying the appropr...

Страница 169: ...32 45 16 2 58 0 13 55 16 12 89 55 16 54 3 120 0 54 0 35 45 59 2 79 0 14 55 59 13 97 55 59 55 5 130 0 58 0 38 46 02 3 01 0 15 56 02 15 04 56 02 56 7 140 0 61 0 4 46 45 3 22 0 16 56 45 16 12 56 45 57 9...

Страница 170: ...93 1 74 67 89 13 94 0 7 77 89 69 72 77 89 117 5 640 1 95 1 77 68 34 14 17 0 71 78 34 70 85 78 34 118 7 650 1 97 1 8 68 79 14 4 0 72 78 79 71 98 78 79 120 660 1 99 1 83 69 24 14 62 0 73 79 24 73 1 79...

Страница 171: ...7 8 J7 9 10 J7 11 12 J7 11 12 J7 13 14 Resist ance Ohms DC Volts WC Deg F Deg F WC Deg F Deg F Deg F Deg F 960 2 45 2 5 80 20 1 90 100 90 150 970 2 46 2 5 80 20 1 90 100 90 150 980 2 47 2 5 80 20 1 90...

Страница 172: ...g a CO2 sensor input at the DCV input or if a building management system ICS Tracer LonTalk is providing a CO2 sensor input to the unit The DCV SETPOINT DCV UL Setpoint determines the percentage incre...

Страница 173: ...inimum position with IGV 0 Figure 108 OA damper minimum position with IGV VFD at 0 and 100 Min Position 0 IGV VFD DCV Min Pos Min OA Damper Position Target IGV VFD Command IGV VFD Command Min Position...

Страница 174: ...174 RT SVD03L EN N No ot te es s...

Страница 175: ...RT SVD03L EN 175 N No ot te es s...

Страница 176: ...nd protect food and perishables and increase industrial productivity and efficiency We are a global business committed to a world of sustainable progress and enduring results ingersollrand com Ingerso...

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