manualshive.com logo in svg

Carrier 48TC*D, Installation Instructions Manual, Page: 25 / 52

Share
Download
Carrier 48TC*D Installation Instructions Manual Download Page 25

25

C11139

Fig. 34 -- Typical Humidi--MiZer

R

Adaptive Dehumidification System Humidistat Wiring

Rc

Rh

W1

G

Y2

C

O/W2/B

Y1

OAT

RRS

SRTN

HUM

D1
D2
V+

Vg

X*

C

G

W2

W1

Y2

Y1

R

EDGE Pro THERMIDISTAT

Unit CTB

THERMOSTAT

*Connection not required.

Humidi-MiZer™ FIOP

C09298

Fig. 35 -- Typical Rooftop Unit with Humidi--MiZer Adaptive Dehumidification System

with EDGE Pro Thermidistat Device

48H

C

Summary of Contents for 48TC*D

Page 1: ...ensate Trap and Line 19 Step 12 Make Electrical Connections 19 Field Power Supply 19 Units without Factory Installed Disconnect 20 Units with Factory Installed Disconnect 20 All Units 20 Convenience O...

Page 2: ...ersonal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and p...

Page 3: ...3 C10896 Fig 1 Unit Dimensional Drawing 17 Size Unit 48HC...

Page 4: ...4 C10897 Fig 1 Unit Dimensional Drawing 17 Size Unit cont 48HC...

Page 5: ...5 C10892 Fig 2 Unit Dimensional Drawing 20 and 24 Size Units 48HC...

Page 6: ...6 C10893 Fig 2 Unit Dimensional Drawing 20 and 24 Size Units cont 48HC...

Page 7: ...7 C10900 Fig 3 Unit Dimensional Drawing 28 Size Unit 48HC...

Page 8: ...8 C10901 Fig 3 Unit Dimensional Drawing 28 Size Unit cont 48HC...

Page 9: ...entilation of the National Fuel Gas Code ANSI Z223 1 American National Standards Institute and NFPA National Fire Protection Association 54 TIA 54 84 1 In Canada installation must be in accordance wit...

Page 10: ...ions shipped with the curb NOTE The gasketing of the unit to the roof curb is critical for a watertight seal Install gasket supplied with the roof curb as shown in Figs 6 7 and 8 Improperly applied ga...

Page 11: ...11 C10954 Fig 6 Roof Curb Details 17 Size Unit 48HC...

Page 12: ...12 C10955 Fig 7 Roof Curb Details 20 and 24 Size Units 48HC...

Page 13: ...13 C10956 Fig 8 Roof Curb Details 28 Size Unit 48HC...

Page 14: ...etal edges Be careful when placing any sheet metal parts on such roof CAUTION Step 6 Rig and Place Unit Keep unit upright and do not drop Spreader bars are not required if top crating is left on unit...

Page 15: ...an economizer on left end under the economizer hood The supply air duct connection is on the back side See Fig 11 for top view depicting typical horizontal duct arrangements Return Air Duct with Econ...

Page 16: ...ached to the back of the burner access panel Remove the two screws securing the hood to the back of the burner access panel Using the two screws re attach the hood to the front of the burner access pa...

Page 17: ...to equipment When connecting the gas line to the unit gas valve the installer MUST use a backup wrench to prevent damage to the valve CAUTION Install a gas supply line that runs to the unit heating s...

Page 18: ...or pipe sizes larger than 1 2 in follow recommendations of national codes 3 Apply joint compound pipe dope sparingly and only to male threads of joint when making pipe connections Use only pipe dope t...

Page 19: ...ave an uninterrupted unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur This ground may consist of electrical wire connected to unit ground l...

Page 20: ...d fault and short circuit over current protection device fuse or breaker per NEC Article 440 or local codes Refer to unit informative data plate for MOCP Maximum Over current Protection device size Vo...

Page 21: ...two slot fillers in the bottom of the cover to permit service tool cords to exit the cover Check for full closing and latching RECEPTACLE NOT SHOWN COVER WHILE IN USE WEATHERPROOF BASE PLATE FOR GFCI...

Page 22: ...ection information Units without Thru Base Connections 1 Install liquid tight conduit between disconnect and control box 2 Pull correctly rated high voltage wires through the conduit 3 Install power l...

Page 23: ...E If utilizing the through the base connections route the low voltage wire through the wire ties to the central terminal board Rubber Grommet Corner Post Wire Ties Thru the Base Connection C10734 Fig...

Page 24: ...side of the control box The raceway provides the UL required clearance between high voltage and low voltage wiring 3 Use wire nuts to connect humidistat cable to two PINK leads in the low voltage wir...

Page 25: ...ing Rc Rh W1 G Y2 C O W2 B Y1 OAT RRS SRTN HUM D1 D2 V Vg X C G W2 W1 Y2 Y1 R EDGE Pro THERMIDISTAT Unit CTB THERMOSTAT Connection not required Humidi MiZer FIOP C09298 Fig 35 Typical Rooftop Unit wit...

Page 26: ...rnesses connected to the CTB thermostat Field connections are made at a 16 pole terminal block TB3 located at the top of the unit control box in front of the PremierLink controller The factory install...

Page 27: ...27 C11140 Fig 38 PremierLink Wiring Schematic 48HC...

Page 28: ...28 C11141 Fig 39 PremierLink Wiring Schematic with Humidi MiZerR 48HC...

Page 29: ...with field installation of these accessory control devices Enthalpy control outdoor air or differential sensors Space CO2 sensor Outdoor air CO2 sensor Refer to Table 4 for accessory part numbers Fiel...

Page 30: ...Filter Switch FSD Fire Shutdown IAQ Indoor Air Quality CO2 OAQ Outdoor Air Quality CO2 RH Relative Humidity SFS Supply Fan Status Table 6 Thermostat Mode TB3 TERMINAL FIELD CONNECTION INPUT SIGNAL 1...

Page 31: ...on the CTB s THERMOSTAT connection strip for these Connect the thermostat s Y1 Y2 W1 W2 and G terminals to PremierLink TB3 as shown in Fig 45 If the 48HC unit is equipped with factory installed smoke...

Page 32: ...it is drawn into the return airstream Wiring the Indoor Air Quality Sensor For each sensor use two 2 conductor 18 AWG American Wire Gage twisted pair cables unshielded to connect the separate isolate...

Page 33: ...idity Sensor Installation The sensor must be mounted vertically on the wall The Carrier logo should be orientated correctly when the sensor is properly mounted Avoid corner locations Allow at least 4...

Page 34: ...tch The PremierLink control can monitor supply fan operation through a field supplied installed differential pressure switch This sequence will prevent or interrupt operation of unit cooling heating a...

Page 35: ...Individual conductors must be insulated with PVC PVC nylon vinyl Teflon or polyethylene An aluminum polyester 100 foil shield and an outer jacket of PVC PVC nylon chrome vinyl or Teflon with a minimum...

Page 36: ...i er2 package The RTU Open controller is an integrated component of the Carrier rooftop unit Its internal application programming provides optimum performance and energy efficiency RTU Open enables th...

Page 37: ...37 C11142 Fig 58 RTU Open System Control Wiring Diagram 48HC...

Page 38: ...38 C11143 Fig 59 RTU Open System Control Wiring Diagram with Humidi MiZerR 48HC...

Page 39: ...llation The RTU Open controller requires the use of a Carrier space sensor A standard thermostat cannot be used with the RTU Open system Supply Air Temperature SAT Sensor On FIOP equipped 48HC unit th...

Page 40: ...sor Connections Connect T 59 The T 59 space sensor requires a separate isolated power supply of 24 VAC See Fig 62 for internal connections at the T 59 Connect the SEN terminal BLU to RTU Open J20 1 Co...

Page 41: ...erR Control Wiring In units equipped with the Humidi MiZer option there are two pink PNK wires loose in the control box used to control the dehumidification function of the unit These pink wires are m...

Page 42: ...ory the unit must be configured for filter status by setting MENU Config Inputs input 3 5 8 or 9 to Filter Status and normally open N O or normally closed N C Input 8 or 9 is recommended for easy of i...

Page 43: ...See Fig 67 and 68 for protocol switch settings and address switches The 3rd party connection to the RTU Open is through plug J19 See Fig 69 for wiring NOTE Power must be cycled after changing the SW1...

Page 44: ...See Form 48 50HCTQ 01T Appendix A for navigation and screen content Virtual BACview Virtual BACview is a freeware computer program that functions as the BACview6 Handheld The USB Link interface USB L...

Page 45: ...o 48 50HCTQ 01T for complete configuration of RTU Open operating sequences and troubleshooting information Refer to RTU Open Controller Integration Guide Catalog No 11 808 428 01 for details on config...

Page 46: ...combination of Supply Air and Return Air Return Air smoke detectors are arranged for vertical return configurations only The unit is factory configured for immediate smoke detector shutdown operation...

Page 47: ...D 0 3 3 1 34 9 45 0 36 234 41 1 50 0 44 246 MED 36 3 45 0 38 243 42 5 50 0 45 255 HIGH 38 9 50 0 41 247 45 1 50 0 48 259 575 3 60 STD 0 24 2 4 26 2 30 0 27 184 31 0 40 0 33 192 MED 26 2 30 0 27 184 31...

Page 48: ...48 259 MED 41 4 50 44 251 47 6 60 51 263 HIGH 44 2 50 47 256 50 4 60 54 268 575 3 60 STD 0 24 2 4 27 9 35 29 188 32 7 40 35 196 MED 30 7 40 33 202 35 5 45 38 210 HIGH 34 1 40 36 200 38 9 45 42 208 48H...

Page 49: ...operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to de termine the percentage of voltage imbalance Voltage Imbalance 100 x max voltage deviation f...

Page 50: ...e connection kit must be installed before unit is set on curb LP conversion kit Manual outside air damper High Altitude Gas kits Low Ambient Controls Thermostat Sensors Two Position motorized outside...

Page 51: ...51 48HC...

Page 52: ...W Morris St D Indianapolis IN 46231 Printed in U S A Edition Date 04 11 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog...

Reviews:

No comments