Trane Precedent WSC User manual

Quick Reference Guide

Precedent™

3-10 Ton Packaged Heat Pumps

Model number description

WSC Heat Pump

Table 1. List of factory installed options(a)

(a) Verify option availability in product catalog.

0-50% Motorized Outside Air Damper Hinged Access Panels

BacNET™ Communication Interface (BCI-R) LonTalk® Communication Interface (LCI)

Barometric Relief Manual Outside Air Damper

Belt Drive Motor MERV 8 Filters

Black Epoxy Pre-Coated Condenser Coil MERV 13 Filters

Clogged Filter Switch Multi-Speed Indoor Fan

Condensate Overflow Switch Powered Convenience Outlet

Crankcase Heater ReliaTel™ Controls

Demand Control Ventilation Wiring Single Zone Variable Air Volume (SZVAV)

Discharge Air Sensing Tube Stainless Steel Drain Pan

Economizer - Comparative Enthalpy Supply, Return, and Plenum Air Smoke Detectors

Economizer - Dry Bulb Through-the-Base Electric Provision

Economizer - Reference Enthalpy Trane® Communication Interface (TCI)

Fan Failure Switch Unit Mounted Circuit Breaker

Frostat™ Unit Mounted Non-Fused Disconnect

Hail Guard Unpowered Convenience Outlet

Table 2. 3-10 ton packaged rooftop performance data (heat pump)

Standard Efficiency

Nominal Size (Tons) 3 4 5 6

7.5 Single

Compressors 10

Cooling Performance

Supply Air (cfm) 1,200 1,600 2,000 2,100 2,265 3,200

Tot / Sens Cap (MBh) 37.4/28.1 49.2/37.9 63.1/48.2 78/53 94/65 118/87

SEER/EER 13.0 13.0 13.0 11.4 11.1 11.2

IEER(a)

(a) 13.6 IEER for SZVAV and Multi-Speed Indoor Fan

N/A N/A N/A 13.0 12.0 13.1

Heating Performance

High Temperature Btuh Rating 37,000 44,400 58,500 71,000 86,000 111,000

COP 3.40 3.40 3.50 3.5 3.4 3.6

Low Temperature Btuh Rating 20,700 24,900 34,400 39,000 48,000 69,000

COP 2.10 2.10 2.30 2.2 2.2 2.4

HSPF 8.00 7.80 8.00 — — —

Other Information

Weight (Lbs) 514 525 682 740 804 1,199

Roofcurb BAYCURB042A BAYCURB043A BAYCURB044A

Unit Cabinet Size BCDE

Filters(b) - Type Furnished

(b) Optional 2” MERV 8 and MERV 13 filters also available

Throwaway Throwaway Throwaway Throwaway Throwaway Throwaway

Number Size Recommended (2) 20x30x2 (2) 20x30x2 (4) 16x25x2 (4) 16x25x2 (4) 20x25x2 (3) 20x25x2

(2) 20x30x2

The manufacturer optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader

in creating and sustaining safe, comfortable and energy efficient environments, the manufacturer offers a broad portfolio of

advanced 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.

RT-PRC051-EN 18 Jul 2012

Supersedes RT-PRC051-EN (02 Dec 2011)

We are committed to using environmentally

conscious print practices that reduce waste.

Table 3. Unit MCA & MOP electrical data (standard indoor fan motor) (heat pump)

WSC Volts MCA MOP WSC Volts MCA MOP

036

208-230/1 31.2 45

072

208-230/3 36.3 50

208-230/3 23.8 35 460/3 20.3 30

460/3 11.4 15 575/3 12.4 20

575/3 8.8 15

090

208-230/3 38.4 60

048

208-230/1 38.9 60 460/3 19 30

208-230/3 27.5 40 575/3 14.5 20

460/3 12.3 15

120

208-230/3 51.9 60

575/3 9.5 15 460/3 26.1 35

060

208-230/1 44.6 70 575/3 20.1 25

208-230/3 30.2 45

460/3 14.7 20

575/3 11.0 15

Table 4. 3-10 ton unit indoor fan data (heat pump)

Standard

HP - RPM

Oversize

HP - RPM

Standard

HP - RPM

Oversize

HP - RPMWSC Volts WSC Volts

036

208-230/1(a)

(a) Direct drive motor

3/4 - MULT N/A

072

208-230/3

1-1725 2-1725208-230/3

1 - 1725

N/A 460/3

460/3 N/A 575/3

575/3 N/A

090

208-230/3

1-1725 2-1725

048

208-230/1(a) 3/4 - MULT N/A 460/3

208-230/3

1 - 1725

N/A 575/3

460/3 N/A

120

208-230/3

3.75/MULTI N/A575/3 N/A 460/3

060

208-230/1(a) 3/4 - MULT N/A 575/3

208-230/3

1 - 1725

N/A

460/3 N/A

575/3 N/A

Table 5. Unit dimensional data

BCDE

Unit Length UL 69 7/8 88 5/8 88 5/8 99 11/16

Unit Width UW 44 1/4 53 1/4 53 1/4 63 3/16

Unit Height UH 36 1/4 40 7/8 46 7/8 50 7/8

Clearance C1 48 48 48 48

Clearance C2 36 36 36 36

Clearance C3 36 36 36 36

Clearance C4 36 36 36 36

Clearance C5 72 72 72 72

Curb Length CL 65 13/16 84 1/2 84 1/2 84 1/2

Curb Width CW 41 7/16 50 3/8 50 3/8 60 3/8

Supply Length SL(a)

(a) Dimensions are for roof curb openings and not duct inserts. Reference the product catalog for duct insert

dimensions.

16 3/4 18 1/2 18 1/2 18 1/2

Supply Width SW(a) 17 7/8 34 3/8 34 3/8 34 3/8

Return Length RL(a) 14 9/16 18 1/4 18 1/4 18 1/4

Return Width RW(a) 25 3/16 34 3/8 34 3/8 34 3/8

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