![background image](http://html.mh-extra.com/html/carrier/weathermaster-48hc07-series/weathermaster-48hc07-series_installation-instructions-manual_2560336003.webp)
3
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal injury
or death.
Before performing service or maintenance operations on
unit, always turn off main power switch to unit and install
lock(s) and lockout tag(s). Unit may have more than one
power switch.
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal injury,
death and/or equipment damage.
Puron (R-410A) refrigerant systems operate at higher pres-
sures than standard R-22 systems. Do not use R-22 service
equipment or components on Puron refrigerant equipment.
WARNING
PERSONAL INJURY AND ENVIRONMENTAL HAZARD
Failure to follow this warning could cause personal injury
or death.
Relieve pressure and recover all refrigerant before system
repair or final unit disposal.
Wear safety glasses and gloves when handling refrigerants.
Keep torches and other ignition sources away from refriger-
ants and oils.
WARNING
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care
and wear appropriate protective clothing, safety glasses and
gloves when handling parts and servicing air conditioning
equipment.
WARNING
FIRE HAZARD
Failure to follow this warning could result in personal inju-
ry, death, and/or property damage.
Inlet pressure tap set screw must be tightened and
1
/
8
-in.
NPT pipe plug must be installed to prevent gas leaks.
GAS VALVE
INLET PRESSURE
TAP SET SCREW
WARNING
FIRE HAZARD
Failure to follow this warning could result in personal inju-
ry, death, and/or property damage.
Manifold pressure tap set screw must be tightened and
1
/
8
-in.
NPT pipe plug must be installed to prevent gas leaks.
MANIFOLD
GAS VALVE
MANIFOLD PRESSURE
TAP SET SCREW
Summary of Contents for WeatherMaster 48HC07 Series
Page 6: ...6 Fig 2 Unit Dimensional Drawing Sizes 07 09 ...
Page 7: ...7 Fig 2 Unit Dimensional Drawing Sizes 07 09 cont ...
Page 8: ...8 Fig 3 Unit Dimensional Drawing Sizes 11 and 12 ...
Page 9: ...9 Fig 3 Unit Dimensional Drawing Sizes 11 and 12 cont ...
Page 26: ...26 Fig 41 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring ...
Page 28: ...28 Fig 43 Electro Mechanical Control Wiring Diagram ...
Page 29: ...29 Fig 44 Electro Mechanical Control Wiring Diagram with Humidi MiZer System ...
Page 30: ...30 Fig 45 Typical ComfortLink Control Wiring Diagram 48HC 08 09 shown ...
Page 32: ...32 Fig 47 Typical PremierLink Control Wiring Diagram ...
Page 33: ...33 Fig 48 Typical PremierLink Control Wiring Diagram with Humidi MiZer System Option ...
Page 34: ...34 Fig 49 Typical RTU Open Controller Wiring Diagram ...
Page 35: ...35 Fig 50 Typical RTU Open Controller Wiring Diagram with Humidi MiZer System Option ...
Page 53: ......