Specifications

Page 2 of 76 SmartSource 2-Stage Water Source Heat Pumps Catalog 1114-1
Contents
Model Nomenclature .........................................................3
AHRI Performance Data
....................................................5
Introduction
........................................................................6
SmartSource™ 2-Stage Horizontal & Vertical Water Source
Heat Pumps
.......................................................................6
SmartSource Unique Features
..........................................7
Model GTH-Horizontal & GTV-Vertical Unit ...........................7
Four Unique Dehumidication Options: .................................8
Hot Gas Reheat Coil .............................................................8
Desuperheater .......................................................................8
Loop Pump(s) ........................................................................ 8
Waterside Economizer ..........................................................9
Electric Heat (internal or external) ......................................... 9
Designed-in Sound Reduction ...............................................9
Cabinet Insulation ................................................................10
Unit Congurations .............................................................. 10
Field Adjustable ECM Fan Motor .........................................11
Two-Stage Compressors - Double Isolated .........................11
Water Connections .............................................................. 11
Stainless Steel Drain Pan ....................................................11
Blower Section ....................................................................11
Disconnect Switch (Option) ................................................. 11
Filter & Filter Rack ............................................................... 12
Horizontal Unit Hanger Bracket ........................................... 12
CorMax® Connections ........................................................12
Air-to-Refrigerant Coil ..........................................................12
Refrigeration System ........................................................... 12
Unit Control......................................................................13
MicroTech III SmartSourcee Unit Control & I/O Expansion
Module .................................................................................13
Built-in Diagnostics .............................................................. 13
Rotary Fan Speed Selection Switch .................................... 13
Operating Modes ................................................................. 14
Unit Protections & LED Fault Status Annunciation ............. 16
MicroTech III SmartSource Unit Controller with LonWorks
Communication Module .......................................................18
MicroTech III SmartSource Unit Controller with BACnet
Communication Module .......................................................19
Accessories ..................................................................... 20
Hoses, Hose Kits and Shutoff Ball Valves for SmartSource
Water Source Heat Pumps .................................................. 20
Shutoff Ball Valves with Memory Stop ................................. 20
2 & 3-Way Motorized Water Valves .....................................20
Supply and Return Hose Kits ..............................................20
Condensate Hose Kits .........................................................22
Electric Duct Heaters (Horizontal Units) .............................. 22
Filters ...................................................................................22
Thermostats.....................................................................23
Thermostats and Remote Sensors ......................................23
Thermostats & Remote Sensors used with
GT 2-Stage Units ................................................................. 25
Sensors used with GT 2-Stage Units ..................................26
Applications ..................................................................... 27
Typical Vertical Installation ..................................................27
Typical Horizontal Installation .............................................. 28
Ductwork and Attenuation ...................................................28
Piping ..................................................................................30
Water System Quality .......................................................... 31
Condensate Drain ...............................................................32
Operating Limits ..................................................................32
Unit Selection ..................................................................33
Boiler/Tower (Water Loop) Application: ...............................33
Geothermal (Ground Loop) Application: .............................. 33
Loop Pump Application and Selection ................................. 34
Capacity Data – Size 026 (800 CFM) .............................. 36
Capacity Data – Size 032 (1000 CFM)
............................ 38
Capacity Data – Size 038 (1250 CFM)
............................ 40
Capacity Data – Size 044 (1400 CFM)
............................ 42
Capacity Data – Size 049 (1600 CFM)
............................ 44
Capacity Data – Size 064 (2000 CFM)
............................ 46
Capacity Data – Size 072 (2160 CFM)
............................ 48
Performance Data
...........................................................50
Fan Performance .................................................................50
Air Flow Correction Factors – Full Load ..............................51
Air Flow Correction Factors – Part Load .............................52
Loop Pump Performance ....................................................52
Desuperheater Performance ...............................................53
Electric Heat Performance ..................................................53
Waterside Economizer Cooling Capacity - Vertical Unit ......53
Waterside Economizer Cooling Capacity - Horizontal Unit .54
Electrical Data .................................................................55
Correction Factors
...........................................................56
Motorized 2-Way Water Valve .............................................56
Antifreeze ............................................................................56
Physical Data...................................................................57
Vertical Units .......................................................................57
Horizontal Units ...................................................................57
Dimensional Data ............................................................ 58
Horizontal Unit ..................................................................... 58
Vertical Unit .........................................................................60
Engineering Guide Specications ...................................62
Horizontal Unit ..................................................................... 62
Vertical Unit .........................................................................67
Appendix-A ...................................................................... 72
Appendix-B
......................................................................72