![background image](http://html.mh-extra.com/html/carrier/weathermaker-48tc-d08/weathermaker-48tc-d08_service-and-maintenance-instructions_2560319002.webp)
2
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in
personal injury, death and/or property damage.
Refer to the User’s Information Manual provided
with this unit for more details.
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
What to do if you smell gas:
DO NOT try to light any appliance.
DO NOT touch any electrical switch, or use any
phone in your building.
IMMEDIATELY call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
If you cannot reach your gas supplier, call the fire
department.
!
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal
injury or death.
Before performing service or maintenance operations
on unit, turn off main power switch to unit. Electrical
shock and rotating equipment could cause injury.
!
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal
injury or death.
Units with convenience outlet circuits may use
multiple disconnects. Check convenience outlet for
power status before opening unit for service. Locate
its disconnect switch, if appropriate, and open it.
Tag--out this switch, if necessary.
!
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal
injury, death and/or equipment damage.
Puron
R
(R--410A) refrigerant systems operate at
higher pressures than standard R--22 systems. Do not
use R--22 service equipment or components on
Puron
R
refrigerant equipment.
!
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury or death.
Disconnect gas piping from unit when pressure testing
at pressure greater than 0.5 psig. Pressures greater
than 0.5 psig will cause gas valve damage resulting in
hazardous condition. If gas valve is subjected to
pressure greater than 0.5 psig, it
must
be replaced
before use. When pressure testing field-supplied gas
piping at pressures of 0.5 psig or less, a unit connected
to such piping must be isolated by closing the manual
gas valve(s).
!
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 units.
CAUTION
!
UNIT ARRANGEMENT AND ACCESS
General
Fig. 1 and Fig. 2 show general unit arrangement and
access locations.
FILTER ACCESS PANEL
INDOOR COIL ACCESS PANEL
C06023
Fig. 1 -- Typical Access Panel Locations (Back)
48TC
Summary of Contents for WeatherMaker 48TC*D08
Page 10: ...10 COOLING CHARGING CHARTS C08669 Fig 10 Cooling Charging Charts D08 48TC ...
Page 11: ...11 COOLING CHARGING CHARTS C08670 Fig 11 Cooling Charging Charts D12 48TC ...
Page 12: ...12 COOLING CHARGING CHARTS C09151 Fig 12 Cooling Charging Charts D14 Circuit A 48TC ...
Page 13: ...13 COOLING CHARGING CHARTS C09152 Fig 13 Cooling Charging Charts D14 Circuit B 48TC ...
Page 37: ...37 C08665 Fig 43 Typical PremierLinkt System Control Wiring Diagram 48TC ...
Page 45: ...45 C07129 Fig 60 RTU MP Multi Protocol Control Board 48TC ...
Page 46: ...46 C09163 Fig 61 Typical RTU MP System Control Wiring Diagram 48TC ...
Page 67: ...67 C09156 Fig 84 48TC Typical Unit Wiring Diagram Power D08 208 230 3 60 48TC ...
Page 68: ...68 C09157 Fig 85 48TC Typical Unit Wiring Diagram Control D08 208 230 3 60 48TC ...