Carrier GT-PX Split Series Installation, Operation & Maintenance Instructions Manual
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Carrier GT-PX Split Series Installation, Operation & Maintenance Instructions Manual

Carrier GT-PX Split Series Installation, Operation & Maintenance Instructions Manual

Indoor and outdoor split geothermal heat pumps 50yds;50ycs;38wqs
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Split Products
GT-PX Split (50YDS) Series
GT-GS Indoor Split (50YCS) Series
GT-S Outdoor Split (38WQS) Series
Indoor and Outdoor Split
Geothermal Heat Pumps
Installation, Operation &
Maintenance Instructions
97B0048N01
Revision: 5 June, 2008

Table of Contents

Electrical - Line Voltage
3
4
5
5
6
6-7
8
9
10-11
11-13
14-15
16
17-22
17
23-24
27-26
27-28
29
30-32
32
33-36
37-38
39
40-42
43
44
45
46-47
48
50

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Summary of Contents for Carrier GT-PX Split Series

  • Page 1: Table Of Contents

    Split Products Table of Contents Model Nomenclature Safety Storage Pre-Installation Equipment Selection Air Coil Match-ups Air Handler Selection Installation Water Connections 10-11 Ground Loop Applications 11-13 Open Loop - Ground Water Systems 14-15 Water Quality Standards Refrigeration Installation 17-22 Lineset Information Hot Water Generator 23-24 Electrical - Line Voltage...

  • Page 3: Model Nomenclature

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Model Nomenclature: for Indoor Split Series Y D S UNIT TYPE:...

  • Page 4: Safety

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Safety Safety WARNING!

  • Page 5: Storage

    15 days of receipt of shipment. If not fi led 7. Locate and verify any hot water generator (HWG) or within 15 days, the freight company can deny the claim without other accessory kit located in the compressor section.

  • Page 6: Equipment Selection

    Indoor Coil Selection - GT-PX Split (50YDS) associated components, parts, and accessories which make Carrier Geothermal split system heat pumps are rated in up the installation shall be in accordance with the regulations the ARI directory with a specifi c indoor coil match. GT-PX...
  • Page 7 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Equipment Selection Table 1b: GT-PX Air Handler Characteristics for Brands other than Above Models Nominal...

  • Page 8: Air Handler Selection

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Equipment Selection Air Handler Selection Example Figure 1 shows a typical performance table for a heat pump air...

  • Page 9: Installation

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Installation NOTICE! Failure to remove shipping brackets from spring- 2.

  • Page 10: Water Connections

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Installation Figure 2: 50YDS/GT-GS Installation Existing Pad larger than 22"...

  • Page 11: Ground Loop Applications

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Installation Internal Flow Controller Mounting - Figure 5: Water Connections (Outdoor Compressor Section)
  • Page 12 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Ground-Loop Heat Pump Applications Earth loop temperatures can range between 25 and Loop static pressure will fl...
  • Page 13 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Ground-Loop Heat Pump Applications Table 1: Approximate Fluid Volume (U.S.

  • Page 14: Open Loop - Ground Water Systems

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Ground-Water Heat Pump Applications - “Indoor”...
  • Page 15 300 psig and a cut-in pressure of 250 psig. This pressure switch can be ordered from Carrier Geothermal with a 1/4” internal fl are connection as part number 39B0005N02. CAUTION!

  • Page 16: Water Quality Standards

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Water Quality Standards Table 3: Water Quality Standards 100 F (38...

  • Page 17: Refrigeration Installation

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation R-410A models are shipped with a fi...
  • Page 18 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Figure 10: Braze Instructions Figure 11: Air Coil Connection...
  • Page 19 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Figure 12a: Typical Split/Air Handler Installation (Indoor Compressor Section) Power...
  • Page 20 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Figure 13a: Typical Split/Air Handler Installation (Outdoor Compressor Section)
  • Page 21 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Evacuation Of The Lineset And Coil There are two methods of charging a refrigerant system.

  • Page 22: Refrigeration Installation

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation refrigerant so that the total charge calculated for the unit and Checking Superheat and Subcooling...

  • Page 23: Hot Water Generator

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator The HWG (Hot Water Generator) or desuperheater system, providing the maximum storage and temperate...
  • Page 24 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator Figure 17: Alternate HWG Piping with concentric/coaxial Water Tank Refi...

  • Page 25: Outdoor Compressor Section Only

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator Module Refrigeration Installation - Outdoor Compressor Section Only 3.
  • Page 26 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator Module Refrigeration Installation - Outdoor Compressor Section Only CAUTION!

  • Page 27: Electrical - Line Voltage

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Electrical - Line Voltage All fi...
  • Page 28 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Electrical - Line Voltage Table 8c: GT-S Outdoor (38WQS) Series Electrical Data Compressor...

  • Page 29: Electrical - Hwg Wiring

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Electrical - HWG Wiring Figure 21b: R-22 Indoor Compressor Section Line HWG Wiring - “Indoor”...

  • Page 30: Electrical - Low Voltage Wiring

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Electrical - Low Voltage Wiring ELECTRICAL - LOW VOLTAGE WIRING Figure 22c: GT-S Low Voltage Field Wiring...
  • Page 31 Figure 26: Taco SBV Valve Wiring 25 and 26 illustrate typical slow closing water control valve wiring for Taco 500 series (Carrier Geothermal P/N AVM…) and Taco ESP series valves. Slow closing valves take approximately 60 seconds to open (very little water will fl ow before 45 seconds).

  • Page 32: Thermostat Wiring

    300 psig and a cut-in pressure of 250 psig. This pressure switch can be ordered from Carrier Geothermal with a 1/4” Optional internal fl are connection as part number 39B0005N02.

  • Page 33: Cxm Controls

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 CXM Controls CXM Control DDC operation.
  • Page 34 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 CXM Controls Safety Features –...
  • Page 35 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 CXM Controls CXM Control Start-up Operation The control will not operate until all inputs and safety controls...
  • Page 36 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 CXM Controls Table 10: Nominal resistance at CXM Thermostat Details...

  • Page 37: Unit Starting And Operating Conditions

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Unit Starting and Operating Conditions Operating Limits 2.
  • Page 38 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Unit Starting and Operating Conditions Unit and System Checkout Flow Controller pump(s): Verify that the pump(s) is wired...

  • Page 39: Unit Start-Up Procedure

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Unit Start-Up Procedure c.

  • Page 40: Unit Operating Conditions

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Unit Operating Conditions Table 12a: Two-Stage R-410A Compressor Section Coax Table 13: Water Temperature Change Through Heat...
  • Page 41 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Unit Operating Conditions Table 14a: Size 026 Two-Stage R-410A Typical Unit Operating Pressures and Temperatures Full Load Cooling - without HWG active...
  • Page 42 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Unit Operating Conditions Table 14d: Size 064 Two-Stage R-410A Typical Unit Operating Pressures and Temperatures Full Load Cooling - without HWG active...

  • Page 43: Preventive Maintenance

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Preventive Maintenance Water Coil Maintenance Condensate Drain...

  • Page 44: Troubleshooting

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Troubleshooting General Test Mode...

  • Page 45: Cxm Process Flow Chart

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 CXM Process Flow Chart WARNING! WARNING! HAZARDOUS VOLTAGE! DISCONNECT ALL...

  • Page 46: Functional Troubleshooting Charts

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Functional Troubleshooting Fault Htg Clg Possible Cause...

  • Page 47: Performance Troubleshooting

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Functional Troubleshooting Fault Htg Clg Possible Cause...

  • Page 48: Troubleshooting Form

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Troubleshooting Form Customer: _____________________________________ Antifreeze: _________________...
  • Page 49 R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 C a r r i e r : Tu r n t o t h e E x p e r t s...

  • Page 50: Revision Log

    R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A R e v. : 5 J u n e , 2 0 0 8 Section Revision Log Date Page #...

This manual is also suitable for:

Gt-gs indoor split seriesGt-s outdoor split series

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