3
INSTALLATION PRECAUTION
Check that construction debris does not enter unit or
ductwork. Do not operate the central-station air-handling fan
without final or construction filters in place. Accumulated dust
and construction debris distributed through the ductwork can ad-
versely affect unit operation.
SERVICE ACCESS
Provide service clearance for unit access (see Installation sec-
tion on page 4 for details).
CODES
Install units in compliance with all applicable code
requirements.
UNIT SUSPENSION
See Installation section on page 4 for unit suspension details.
Warranty
All Carrier-furnished items carry the standard Carrier
warranty.
Table 1 — 45J Unit Weights
45J
SIZE
UNIT
ONLY
(lb)
WITH PNEUMATIC
CONTROLS
WITH DDC OR ANALOG
CONTROLS
WITH ELECTRIC HEATER
WITH HOT WATER
1-Row
2-Row
2
70
+4
+9
+30
+19
+21
3
70
+4
+9
+30
+20
+22
4
85
+4
+9
+32
+22
+25
5
85
+4
+9
+32
+24
+28
6
100
+4
+9
+35
+25
+30
7
175
+4
+9
+40
+35
+43
Table 2 — 45M Unit Weights
SIZE
UNIT
ONLY
(lb)
WITH PNEUMATIC
CONTROLS
WITH DDC OR ANALOG
CONTROLS
WITH ELECTRIC HEATER
WITH HOT WATER
1-Row
2-Row
2
114
+4
+9
+30
+19
+21
3
114
+4
+9
+30
+20
+22
4
115
+4
+9
+32
+22
+25
5
122
+4
+9
+32
+24
+28
6
123
+4
+9
+35
+25
+30
7
127
+4
+9
+40
+35
+43
Table 3 — 45K Unit Weights
45K
SIZE
UNIT ONLY (lb)
WITH
PNEUMATIC CONTROLS
WITH DDC OR
ANALOG CONTROLS
WITH
ELECTRIC HEAT
WITH HOT WATER
1-Row
2-Row
2
185
+4
+9
+30
+9
+12
3
200
+4
+9
+30
+9
+12
4
200
+4
+9
+32
+9
+12
5
225
+4
+9
+32
+12
+17
6
250
+4
+9
+35
+12
+17
7
260
+4
+9
+40
+12
+17
Table 4 — 45N Unit Weights
45N
SIZE
UNIT ONLY (lb)
WITH
PNEUMATIC CONTROLS
WITH DDC OR
ANALOG CONTROLS
WITH
ELECTRIC HEATER
WITH HOT WATER
1-Row
2-Row
2
185
+4
+9
+30
+9
+12
3
200
+4
+9
+30
+9
+12
4
200
+4
+9
+32
+9
+12
5
225
+4
+9
+32
+12
+17
6
250
+4
+9
+35
+12
+17
7
260
+4
+9
+40
+12
+17
Table 5 — 45Q Unit Weights
45Q SIZE UNIT ONLY (lb)
WITH PNEUMATIC
CONTROLS (lb)
WITH DDC OR
ANALOG CONTROLS
(lb)
WITH ELECTRIC HEAT
(lb)
WITH HOT WATER (1 ROW/2 ROW)
(lb)
3
75
+4
+9
+30
+10/+12
4
120
+4
+9
+35
+12/+14
5
100
+4
+9
+35
+12/+14