Ingersoll-Rand twe065e13fa1 Installation, Operation And Maintenance Manual Download

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SSA-SVX06B-EN

Installation

Field Wiring:

A. 3 power wires, line voltage for 3 phase, (2 power wires for single phase)

B. 3 power wires, line voltage for 3 phase, (2 power wires for single phase)

Cooling only thermostat

: 3 to 7 wires depending on stages of electric heat

D. 3 to 7 wires depending on type of outdoor unit(s)

For

SZVAV air handlers

: 4 additional wires are required (2 of which require twisted pair or

shielded wire) in order to make connections between ReliaTel boards in the condenser and air
handler.

Zone Sensor

: 4 to 10 wires depending on zone sensor model

Night Setback Panel

7 wires

Figure 22. Thermostat and Control Connections — ReliaTel™ Controls

See Zone Sensor wiring instructions for wiring information (ReliaTel Controls only).

NSB Panel

Zone

Sensor

T’stat

Air Handler

Disconnect Switch

(By Others)

Disconnect Switch

(By Others) Note 2

Electric

Heat Accessory

Disconnect Switch

(By Others)

Note 2

Summary of Contents for twe065e13fa1

Page 1: ...tered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment Split System Air Handlers 5 20 Tons January 2012 SSA SVX06B EN Installation Operation and Maintenance Model 60 Hz Model 50 Hz TWE061D E A TWE051D A TWE090D E A TWE076D A TWE120...

Page 2: ...ng industry All technicians who handle refrigerants must be certified The Federal Clean Air Act Section 608 sets forth the requirements for handling reclaiming recovering and recycling of certain refrigerants and the equipment that is used in these service procedures In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management o...

Page 3: ...ing undertaken ALWAYS refer to appropriate MSDS sheets and OSHA guidelines for proper PPE When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels proper respiratory protection and handling recommendations If there is a risk of arc or flash technicians MUST put on all Personal Protective Eq...

Page 4: ...pension 35 Refrigerant Piping 36 Condensate Piping 37 Filters 37 Duct Connections 37 Air Flow Settings 37 Electrical Connections 40 Setpoints 42 Checkout Procedure 44 Installation Checklist 44 Electrical Wiring 44 Thermostat and Control Connections for Electromechanical Controls 45 Thermostat and Control Connections for ReliaTel Controls 46 Start Up 48 Sequence of Operation 48 Variable Air Volume ...

Page 5: ...SSA SVX06B EN 5 Central Air Conditioner 56 Commercial Equipment Rated 20 Tons and Larger and Related Accessories Parts Only 56 Wiring Diagram Matrix 58 ...

Page 6: ...uence DIGIT 8 Electrical Characteristics DIGITS 9 10 Factory Installed Options DIGITS 11 Minor Design Sequence Current Design Sequence1 DIGITS 12 Service Digit Current Design Sequence1 T W E 2 4 0 E 3 0 0 1 2 3 4 5 6 7 8 9 10 11 12 061 5 Tons 60 Hz 051 4 6 Tons 50 Hz 090 7 Tons 60 Hz 076 6 25 Tons 50 Hz 120 10 Tons 60 Hz 101 8 33 Tons 50 Hz 150 12 Tons 60 Hz 126 10 4 Tons 50 Hz 180 15 Tons 60 Hz 1...

Page 7: ...cklist as a substitute for reading the information contained in the manual Read the entire manual before beginning installation procedures Unit Inspection Inspect material carefully for any shipping damage If damaged it must be reported to and claims made against the transportation company Compare the information that appears on the unit nameplate with ordering and submittal data to ensure the pro...

Page 8: ...the unit cabinet or damaging the unit finish Table 1 TWE Unit and Corner Weights lbs 60 Hz Tons Model No Shipping Max lbs Net Max lbs Corner Weights Vertical Corner Weights Horizontal 1 2 3 4 A B C D 5 TWE061D E 263 232 55 71 51 55 54 67 50 61 7 TWE090D E 360 323 67 99 75 82 56 92 87 88 10 TWE120D E 429 393 77 121 110 85 79 118 77 119 12 TWE150E 730 676 168 192 181 135 196 164 145 171 15 TWE180E 7...

Page 9: ...These air handlers come with one drain pan that can be installed in any one of four positions this allows for vertical or horizontal application and right or left condensate line connection The drain pan can also be easily removed for periodic cleaning Note Important All air handlers are shipped with the drain pan installed in the horizontal position and the connection on the left side as shown in...

Page 10: ...Slide the drain pan into the opening b Lift the drain pan up c Push it in all the way d Drop it down over the lip of the opening secure with screw 4 Install the access plate on the opposite end of the drain pain a Slide the edge of the accessplate under the drainpan b Lift the access plate and drain pan up c Push the access plate in d Drop the access plate down over the lip of the opening secure w...

Page 11: ...nect power and discharge capacitors before servicing could result in death or serious injury For additional information regarding the safe discharge of capacitors see PROD SVB06A EN WARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards yo...

Page 12: ...it was originally fastened 3 Reinsert screws in evaporator coil bracket Preparation The air handler is designed so that refrigerant piping can enter from either the right or left hand side It is shipped with the intent that the refrigerant lines will enter from the left hand side To convert to right hand entry unbraze the elbow on the suction line and rotate 180 and rebraze Important Access to ref...

Page 13: ...ted and checked against the selected installation site By noting in advance which features are to be used proper clearance allowances can be made for installation and possible future service Important When installing these units free standing with discharge grills and isolators a top support with isolator should be added to prevent tipping Support and isolator can be attached to a wall or other ap...

Page 14: ...Quick Reference H in mm W in mm D in mm TWE051 061 48 1 8 1222 4 39 5 8 1006 5 23 5 8 600 TWE076 090 54 1 8 1374 8 49 1 8 1247 8 26 1 2 673 1 TWE101 120 54 1 8 1374 8 65 1 8 1654 2 26 1 2 673 1 TWE126 150 156 180 69 1 8 1756 81 1 4 2063 7 30 762 TWE201 240 71 7 8 1806 6 94 1 4 2394 32 1 8 816 H D W ...

Page 15: ...CTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL ...

Page 16: ...HER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC P...

Page 17: ...DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION DIMENSIONAL DRAWI...

Page 18: ...E ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 1...

Page 19: ...N PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION DIMENSIONAL DRAWING 1...

Page 20: ...IN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HOR...

Page 21: ...ONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZON...

Page 22: ... REMOVED TO SLIDE DRAIN PAN OUT OF UNIT CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION DIMENSIONAL D...

Page 23: ...WE090D3 E3 1 208 3 1 50 5 3 34 3 6 6 15 N A N A N A N A N A N A N A N A TWE090D3 E3 1 230 3 1 50 5 0 34 3 6 3 15 N A N A N A N A N A N A N A N A TWE090D3 E3 b 1 460 3 1 50 2 5 17 0 3 1 15 N A N A N A N A N A N A N A N A TWE090DW 1 575 3 1 50 1 8 13 6 2 3 15 N A N A N A N A N A N A N A N A 10 TWE120D1 E1 1 208 1 2 00 8 5 57 4 10 6 20 N A N A N A N A N A N A N A N A TWE120D1 E1 1 230 1 2 00 7 7 57 4...

Page 24: ...A MFS 10 TWE120D3 E3 1 208 3 2 6 2 43 4 8 15 1 208 3 3 9 4 71 12 20 TWE120D3 E3 1 230 3 2 5 8 48 8 15 1 230 3 3 9 2 64 12 20 TWE120D4 E4 1 460 3 2 2 9 24 4 15 1 460 3 3 4 6 35 5 6 15 TWE120DW EW 1 575 3 2 2 2 20 6 3 15 1 575 3 3 3 7 28 4 5 15 12 TWE150E3 1 208 3 2 6 2 43 4 8 15 1 208 3 5 13 4 99 5 17 30 TWE150E3 1 230 3 2 5 8 48 8 15 1 230 3 5 12 6 110 17 30 TWE150E4 1 460 3 2 2 9 24 4 15 1 460 3 ...

Page 25: ...24 6 4 3 15 10 TWE120D1 E1 N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A TWE120D1 E1 N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A TWE120D3 E3 1 208 3 3 00 9 4 74 9 11 8 25 N A N A N A N A N A N A N A N A TWE120D3 E3 1 230 3 3 00 9 2 74 9 11 5 25 N A N A N A N A N A N A N A N A TWE120D3 E3 b 1 460 3 3 00 4 6 39 3 5 8 15 N A N A N A N A N A N A N A N A TWE120DW E...

Page 26: ... 63 28 80 2 138 6 157 8 d 150 175 10 TWE120D1 TWE120E1 BAYHTRL106A 4 33 5 76 1 36 6 39 6 40 45 BAYHTRL112A 8 65 11 52 1 62 6 69 6 d 70 70 BAYHTRL117A 12 98 17 28 1 88 6 99 6 90 100 BAYHTRL123A 17 31 23 04 2 114 6 129 6 d 125 150 BAYHTRL129A 21 63 28 80 2 140 7 159 6 d 150 175 5 TWE061D3 TWE061E3 BAYHTRL305A 3 76 5 00 208 230 3 60 1 16 1 18 20 20 BAYHTRL310A 7 48 9 96 1 29 33 30 35 BAYHTRL315A 11 2...

Page 27: ...24 92 2 36 35 BAYHTRLW35A 34 88 2 48 45 10 TWE120DW TWE120EW BAYHTRLW05A 5 1 10 15 BAYHTRLW10A 9 96 1 16 15 BAYHTRLW15A 14 96 1 22 25 BAYHTRLW25A 24 92 2 35 35 BAYHTRLW35A 34 88 2 47 45 a kW ratings are at 208 240V for 208 230V air handlers 480V for 460V air handlers 600V for 575V air handlers For other than rated voltage capacity Voltage Rated Voltage 2 x Rated Capacity b Any power supply and cir...

Page 28: ...88 2 103 117 110 125 TWE120D4 3 E4 3 BAYHTRL405A 5 460 3 60 1 12 15 BAYHTRL410A 9 96 1 19 20 BAYHTRL415A 14 96 1 27 30 BAYHTRL425A 24 92 2 42 45 BAYHTRL435A 34 88 2 57 60 TWE120D4 4 E4 4 BAYHTRL405A 5 1 14 15 BAYHTRL410A 9 96 1 21 25 BAYHTRL415A 14 96 1 29 30 BAYHTRL425A 24 92 2 44 45 BAYHTRL435A 34 88 2 59 60 TWE120DW 3 EW 3 BAYHTRLW05A 5 575 3 60 1 9 15 BAYHTRLW10A 9 96 1 16 20 BAYHTRLW15A 14 96...

Page 29: ...310A 7 51 10 00 1 44 1 49 60 60 BAYHTRM320A 14 96 19 92 1 71 79 80 90 BAYHTRM330A 22 47 29 92 2 97 109 100 110 BAYHTRM350A 37 44 49 84 2 149 169 d 150 175 12 TWE150E3 e BAYHTRM410A 10 460 3 60 1 19 20 BAYHTRM420A 19 92 1 34 35 BAYHTRM430A 29 92 2 49 50 BAYHTRM450A 49 84 2 79 80 15 TWE180E3 e BAYHTRM410A 10 1 21 25 BAYHTRM420A 19 92 1 36 40 BAYHTRM430A 29 92 2 51 60 BAYHTRM450A 49 84 2 81 90 20 TWE...

Page 30: ... 44 49 84 2 138 158 150 175 TWE150E3 4 BAYHTRM310A 7 51 10 00 1 43 47 45 50 BAYHTRM320A 14 96 19 92 1 69 77 70 80 BAYHTRM330A 22 47 29 92 2 95 107 100 110 BAYHTRM350A 37 44 49 84 2 147 167 150 175 TWE150E4 3 BAYHTRM410A 10 460 3 60 1 19 20 BAYHTRM420A 19 92 1 34 35 BAYHTRM430A 29 92 2 49 50 BAYHTRM450A 49 84 2 79 80 TWE150E4 4 BAYHTRM410A 10 1 23 25 BAYHTRM420A 19 92 1 38 40 BAYHTRM430A 29 92 2 53...

Page 31: ...0 BAYHTRM430A 29 92 2 51 60 BAYHTRM450A 49 84 2 81 90 TWE180E4 4 BAYHTRM410A 10 1 23 25 BAYHTRM420A 19 92 1 38 40 BAYHTRM430A 29 92 2 53 60 BAYHTRM450A 49 84 2 83 90 TWE180EW 3 BAYHTRMW10A 10 575 3 60 1 18 20 BAYHTRMW20A 19 92 1 30 30 BAYHTRMW30A 29 92 2 43 45 BAYHTRMW50A 49 84 2 68 70 TWE180EW 4 BAYHTRMW10A 10 1 19 20 BAYHTRMW20A 19 92 1 32 35 BAYHTRMW30A 29 92 2 44 45 BAYHTRMW50A 49 84 2 69 70 c...

Page 32: ... 2 86 90 TWE240EW 3 BAYHTRMW10A 10 575 3 60 1 19 20 BAYHTRMW20A 19 92 1 32 35 BAYHTRMW30A 29 92 2 44 45 BAYHTRMW50A 49 84 2 69 70 TWE240EW 4 BAYHTRMW10A 10 1 22 25 BAYHTRMW20A 19 92 1 34 35 BAYHTRMW30A 29 92 2 47 50 BAYHTRMW50A 49 84 2 72 80 a kW ratings are at 208 240V for 208 230V air handlers 480V for 460V air handlers 600V for 575V air handlers For other than rated voltage capacity Voltage Rat...

Page 33: ...D ED 1 380 3 3 4 17 3 1 415 3 3 2 19 10 4 TWE126ED 1 380 3 3 2 35 1 415 3 3 1 35 13 0 TWE156ED 1 380 3 4 0 33 1 1 415 3 4 0 36 1 16 7 TWE201ED 1 380 3 8 0 43 2 1 415 3 8 0 48 6 Table 12 Unit Wiring Air Handler 50 Hz Tons Unit Model No Minimum Unit Operating Voltage Range Maximum Fuse Circuit Ampacity Size or Maximum Circuit Breaker 4 5 TWE051DD 380 415 4 15 6 25 TWE076DD 380 415 5 15 8 33 TWE101DD...

Page 34: ... and Maximum Fuse Size is based on 400V Maximum Fuse Breaker Size BAYHTRL405A 5 00 TWE051DD 1 13 15 BAYHTRL410A 9 96 1 22 25 BAYHTRL415A 14 96 1 31 35 BAYHTRL425A 24 92 2 49 50 BAYHTRL405A 5 00 TWE076DD 1 14 15 BAYHTRL410A 9 96 1 23 25 BAYHTRL415A 14 96 1 32 35 BAYHTRL425A 24 92 2 50 50 BAYHTRL435A 34 88 2 68 70 BAYHTRL405A 5 00 TWE101DD TWE101ED 1 14 15 BAYHTRL410A 9 96 1 23 25 BAYHTRL415A 14 96 ...

Page 35: ...ity or an obstructed drain in the primary drain pan Drain lines from this pan must be installed but should not be connected to the primary drain line from the unit Isolate the auxiliary drain pan from both the air handler and the structure Precautionary Measures Avoid breathing fiberglass dust Use a NIOSH approved dust mist respirator Avoid contact with the skin or eyes Wear long sleeved loose fit...

Page 36: ...ommet on the cap tube With the grommet around the tube push the bulb through the hole and position the grommet back into its original position one bulb and cap tube on single circuit units and two bulbs and cap tubes on dual circuit units NOTICE Equipment Damage Ensure that the refrigerant lines passing through the cabinet are not resting on sharp sheet metal edges and that the bulb s are attached...

Page 37: ...p A union or flexible tubing and clamps may be installed if the drain pan is to be removed periodically for cleaning Important When air handler is installed in the vertical position and close proximity trapping of condensate is required use of a subbase accessory to raise the air handler for clearance of the drain trap is recommended See Figure 15 for a typical drain trap assembly Figure 15 Typica...

Page 38: ...found in the air handler control box The potentiometer will adjust the maximum air flow between the range of 60 Hz to 44 50 Hz If the desired maximum operating point from the catalog fan table is lower than 44 50 Hz parameter 6 15 on the VFD must be reprogrammed to 50 Hz The VFD is preset from the factory to a default of 25 Hz for the lower limit and does not need to be reprogrammed Measure the vo...

Page 39: ...28 1 75 38 80 0 3 44 80 1 75 46 05 0 45 53 80 1 83 39 20 0 45 45 20 1 83 46 57 0 55 54 32 1 9 39 60 0 55 45 60 1 9 47 08 0 7 54 83 1 95 40 00 0 7 46 00 1 95 47 60 0 8 55 35 2 40 40 0 8 46 40 2 48 12 0 95 55 87 2 05 40 80 0 95 46 80 2 05 48 63 1 05 56 38 2 1 41 20 1 05 47 20 2 1 49 15 1 15 56 90 2 13 41 60 1 15 47 60 2 13 49 67 1 25 57 42 2 17 42 00 1 25 48 00 2 17 50 18 1 3 57 93 2 21 42 40 1 3 48...

Page 40: ...d on the customer chosen upper and lower speed settings Cool 1 C1 42 66 a Cool 2 C1 C2 Energized 100 CV Staged Heat 100 WARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized For variable frequency dri...

Page 41: ...ry power entry for air handler and power entry for electric heats the electrical connections are made in the fan control box located in the right side of the air handler and electric heater respectively Wiring entrance is through holes provided in the end of the air handler cabinet Figure 18 Breaker or fuse size can be selected using the nameplates attached to the unit and electric heater see Tabl...

Page 42: ...olume units in addition to two new setpoints Discharge Air Cool Externally Mounted Potentiometer in Control Box and Discharge Air Heat DA Heat R 42 Setpoint limits The Zone Heating and Cooling Setpoints will be selectable via the existing RTRM customer connections for a Zone Sensor panel and the DA Heat and Cool Setpoints will be customer selectable via an onboard potentiometer on the RTOM and an ...

Page 43: ... 2 17 134 0 42 60 1 23 85 1 81 110 2 19 135 0 46 61 1 26 86 1 83 111 2 2 136 0 5 62 1 28 87 1 84 112 2 21 137 0 53 63 1 31 88 1 86 113 2 23 138 0 57 64 1 33 89 1 88 114 2 24 139 0 61 65 1 36 90 1 89 115 2 25 140 0 65 66 1 38 91 1 91 116 2 26 141 0 68 67 1 41 92 1 93 117 2 28 142 0 72 68 1 43 93 1 95 118 2 29 143 0 76 69 1 46 94 1 96 119 2 3 144 0 79 70 1 48 95 1 98 120 2 32 145 0 83 71 1 51 96 2 1...

Page 44: ...y 8 If unit is horizontally mounted make sure secondary drain pan has been installed 9 Inspect unit for proper filters securely installed and not touching the coil surface All cabinet panels must be secure 10 Instruct owner operator on proper system operating and maintenance procedure Electrical Wiring WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before serv...

Page 45: ...ssory is used single point power entry or dual point power entry is field optional Single point power entry option is through electric heater only Field Wiring A 3 power wires Line voltage for 3 phase 2 wires for single phase B 3 power wires Line voltage for 3 phase 2 wires for single phase C Cooling only thermostat 3 to 7 wires depending on stages of electric heat D 3 to 7 wires depending on type...

Page 46: ... install low voltage and communication wires between the RTRM in the condenser and the RTOM in the air handler See schematic and connection print for more detail 4 Connect low voltage control wiring to the low voltage terminal board located at the control box per the typical interconnecting wiring diagrams For SZVAV units connect the ReliaTel harness supplied with the air handler between the RTRM ...

Page 47: ...e required 2 of which require twisted pair or shielded wire in order to make connections between ReliaTel boards in the condenser and air handler E Zone Sensor 4 to 10 wires depending on zone sensor model 1 F Night Setback Panel 7 wires Figure 22 Thermostat and Control Connections ReliaTel Controls 1 See Zone Sensor wiring instructions for wiring information ReliaTel Controls only NSB Panel Zone S...

Page 48: ...lculated Discharge Air Setpoint that is calculated based on zone conditions in order to maintain the Zone Temperature to the active Zone Setpoint Note that this setpoint will be clamped between the user selected DA Heat and DA Cool setpoints for compressor control In general as the zone temperature rises above the ZCSP the Active Discharge Air Setpoint will be calculated down This calculated setpo...

Page 49: ...ized for each corresponding Cooling Stage Note that the Supply Fan Speed will be allowed to ramp up beyond the minimum speed in order to meet the zone cooling demand The minimum fan speed for units with 2 stages of DX Cooling will be 58 of the unit s full airflow capacity At Stage 1 of DX Cooling the Fan Speed will be at a minimum of 58 and at Stage 2 of DX Cooling the Fan Speed will be at a minim...

Page 50: ...with a 2 Speed VFD control scheme will utilize a thermostat s heating and cooling outputs to differentiate between high and low speed When the unit receives a G or Y1 call from the thermostat the supply fan will run at the user selected low speed Once the zone load demands the second stage of cooling and the unit receives the Y2 call from the thermostat the supply fan will be signaled to run at th...

Page 51: ...cale of the gauge plunger 4 Place the large end of the gauge at the center of the belt span then depress the gauge plunger until the large O ring is even with the top of the next belt or even with a straightedge placed across the fan and motor sheaves WARNING Rotating Components The following procedure involves working with rotating components Disconnect all electric power including remote disconn...

Page 52: ...ers known to the state of California to cause cancer through inhalation You MUST wear all necessary Personal Protective Equipment PPE including gloves eye protection mask long sleeves and pants when working with products containing fiberglass wool Exposition to glass wool fibers without all necessary PPE equipment could result in cancer respiratory skin or eye irritation which could result in deat...

Page 53: ...rryover fan brake horsepower and static pressure losses At least once each year or more often if the unit is located in a dirty environment clean the coil using the instructions outlined below Be sure to follow these instructions as closely as possible to avoid damaging the coils To clean refrigerant coils use a soft brush and a sprayer Contact your local Parts Center for appropriate detergents 1 ...

Page 54: ...g clothing gloves and eye protection Wash clothes separately from other clothing rinse washer thoroughly Operations such as sawing blowing tear out and spraying may generate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respirator in these situations First Aid Measures Eye Contact Flush eyes with water to remove dust If symptoms persist seek me...

Page 55: ... Entering Air Compressor Superheat F at compressor Subcooling F at service valve Dry Bulb Wet Bulb Suction Pressure Discharge Pressure Circuit 1 Circuit 2 Circuit 1 Circuit 2 C1 C2 C1 C2 Note Perform each inspection once per month during cooling season while unit is operating ...

Page 56: ... on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Trane 2701 Wilma Rudolph Blvd Clarksville TN 37040 1008 Attention Manager Product Service TW 338 0597 This w...

Page 57: ...N NO EVENT SHALL WARRANTOR BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state ...

Page 58: ...180E303AA TWE180E304AA TWE180E403AA TWE180E404AA TWE180EW03AA TWE180EW04AA TWE240E303AA TWE240E304AA TWE240E403AA TWE240E404AA TWE240EW03AA TWE240EW04AA 2313 0452 Control Diagram TWE120D303AA TWE120D304AA TWE120D403AA TWE120D404AA TWE120DW03AA TWE120DW04AA TWE120E303AA TWE120E304AA TWE120EW03AA TWE120EW04AA TWE120E403AA TWE120E404AA TWE150E303AA TWE150E304AA TWE150E403AA TWE150E404AA TWE150EW03AA ...

Page 59: ...vanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice We are committed to using environmentally conscious print practices that reduce waste 2012 Trane All rights reserved SSA SVX06B EN...

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