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Lennox International Inc
06/11 50672801, LENNOX Elite Series XP13 Units HEAT PUMPS installation instructions
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Contents
Main
*2P0611* *P506728-01*
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
NOTICE TO INSTALLER
INSTALLATION INSTRUCTIONS
Elite Series XP13 Units
Shipping and Packing List
General
Page 2
Model Number Identification P 13 036
XP13 BASE WITH ELONGATED LEGS
XP13018, 024, 030 AND 036 BASE SECTION
TOP VIEW
SIDE VIEW
Typical Unit Parts Arrangement
Figure 1. Typical Parts Arrangements
CONTROL PANEL
PLUMBING, SWITCHES AND SENSOR COMPONENTS
Caps and Fasteners Torque Requirements
Operating Gauge Set and Service Valves
Page
Page 6
Recovering Refrigerant from Existing System
RECOVERING REFRIGERANT
DISCONNECT POWER CONNECT MANIFOLD GAUGE SET
METHOD 1:
METHOD 2:
NOTICE
Page 8
Slab Side Mounting
Figure 5. Placement, Slab Mounting and Stabilizing Unit
Deck Top Mounting
DETAIL A DETAIL B
DETAIL C DETAIL D
DETAIL E
DETAIL F
Roof Top Mounting
Removing and Installing Panels
Line Set Requirements
Page 11
REFRIGERANT LINE SET TRANSITION FROM VERTICAL TO HORIZONTAL
Figure 7. Line Set Installation
REFRIGERANT LINE SET INSTALLING HORIZONTAL RUNS
REFRIGERANT LINE SET INSTALLING VERTICAL RUNS (NEW CONSTRUCTION SHOWN)
Brazing Connections
Page 13
ATTACH THE MANIFOLD GAUGE SET FOR BRAZING LIQUID AND SUCTION / VAPOR LINE SERVICE VALVES
Figure 8. Brazing Procedures
CUT AND DEBUR CAP AND CORE REMOVAL
Page
Page 15
Indoor Refrigerant Metering Device Removal and Flushing Line Set and Indoor Coil
Figure 10. Removing Indoor Refrigerate Metering Device and Flushing Procedures
TYPICAL EXISTING FIXED ORIFICE REMOVAL PROCEDURE (UNCASED COIL SHOWN)
1A
2
1B
Page 16
Installing New Indoor Metering Device
Figure 11. Installing Indoor Check / Expansion Valve
EQUALIZER LINE INSTALLATION
OR
(Uncased Coil Shown)
Leak Test Line Set and Indoor Coil
Page 18
Evacuating Line Set and Indoor Coil
Figure 13. Evacuating Line Set and Indoor Coil
1
2
Electrical
Page
Unit StartUp
Service and Weigh In Refrigerant for Outdoor Units Delivered Void of Charge
GAUGE SET
Page 23
WEIGHIN CHARGING
Figure 19. Heat Pump Cooling Cycle
Refrigerant Charge per Line Set Length
CALCULATING SYSTEM CHARGE FOR OUTDOOR UNIT VOID OF CHARGE
++=
ADJUSTING INDOOR AIRFLOW
SAT LIQ SC =
OPTIMIZE CHARGE USING SUBCOOLING
Page 26
Subcooling values listed in the following tables are based on outdoor ambient air temperature of:
Table 3. Unit Indoor Matches, Targeted Subcooling, and Add Charge Values
Table 4. Normal Operating Pressures Liquid +10 and Vapor +5 PSIG
Page 27
Table 5. HFC410A Temperature (F) Pressure (Psig)
System Operation
Defrost System
Page
Maintenance
StartUp and Performance Checklist