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3
2
A
B
4
1
Fig. 14 — Weight Distribution and Center of Gravity
UNITS 48ZG,ZN SIZE
CORNER WEIGHTS (lb)
TOTAL
(lb)
AB
1 2 3 4 ft-in. ft-in.
VERTICAL SUPPLY AND RETURN/
LOW GAS HEAT
030 1968 1004 1005 1964 5,941 14- 9
1
/
8
3-9
13
/
16
035 1851 1184 1142 1889 6,066 14-11 3-9
13
/
16
040 2246 1177 1179 2239 6,841 17- 2
7
/
8
3-9
13
/
16
050 2264 1182 1179 2256 6,881 17- 4 3-9
13
/
16
055 2478 2140 2144 2468 9,230 19- 7 3-9
13
/
16
060 2557 2211 2212 2549 9,530 19- 7 3-9
13
/
16
070 2648 2330 2334 2638 9,950 21- 0 3-9
13
/
16
075 2955 2447 2445 2953 10,800 21- 7
1
/
2
3-9
13
/
16
090 3035 2471 2471 3033 11,010 21- 9
7
/
16
3-9
13
/
16
105 3342 2529 2529 3340 11,740 22- 6 3-9
13
/
16
VERTICAL SUPPLY AND RETURN/
HIGH GAS HEAT
030 2000 1037 1038 1995 6,070 14- 8
1
/
8
3-9
13
/
16
035 2061 1038 1037 2059 6,195 14-10 3-9
13
/
16
040 2277 1210 1213 2270 6,970 17- 1
7
/
8
3-9
13
/
16
050 2301 1206 1205 2297 7,010 17- 3 3-9
13
/
16
055 2510 2168 2172 2500 9,350 19- 7 3-9
13
/
16
060 2587 2242 2237 2584 9,650 19- 7 3-9
13
/
16
070 2683 2361 2365 2672 10,080 21- 0 3-9
13
/
16
075 3015 2474 2472 3013 10,974 21- 8
9
/
16
3-9
13
/
16
090 3095 2499 2498 3092 11,184 21-10
7
/
16
3-9
13
/
16
105 3405 2554 2554 3401 11,914 22- 7 3-9
13
/
16
VERTICAL SUPPLY AND RETURN/
EXTENDED CHASSIS/LOW GAS HEAT
030 2133 1089 1091 2127 6,441 16- 1
11
/
16
3-9
13
/
16
035 2198 1087 1087 2194 6,566 16- 3
7
/
8
3-9
13
/
16
040 2411 1262 1264 2404 7,341 18- 7
1
/
2
3-9
13
/
16
050 2434 1259 1256 2432 7,381 18- 8
5
/
8
3-9
13
/
16
055 2617 2251 2255 2607 9,730 20- 9 3-9
13
/
16
060 2698 2320 2325 2687 10,030 20- 9 3-9
13
/
16
VERTICAL SUPPLY AND RETURN/
EXTENDED CHASSIS/HIGH GAS HEAT
030 2188 1100 1101 2182 6,570 16- 2
3
/
4
3-9
13
/
16
035 2187 1163 1161 2184 6,695 18- 6
7
/
16
3-9
13
/
16
040 2454 1284 1287 2446 7,470 18- 7
1
/
2
3-9
13
/
16
050 2017 1740 1738 2014 7,510 20- 9 3-9
13
/
16
055 2649 2279 2283 2639 9,850 20- 9 3-9
13
/
16
060 3442 1787 1791 3431 10,450 16- 0
9
/
16
3-9
13
/
16
UNITS 48ZT,ZW
WITH HIGH-CAPACITY POWER EXHAUST
SIZE
CORNER WEIGHTS (lb)
TOTAL
(lb)
AB
1 2 3 4 ft-in. ft-in.
VERTICAL SUPPLY AND RETURN/
LOW GAS HEAT, HIGH-CAPACITY
POWER EXHAUST
075 3551 3053 3049 3551 13,204 24- 9
13
/
16
3-9
13
/
16
090 3629 3080 3075 3630 13,414 24- 1
5
/
8
3-9
13
/
16
105 3948 3126 3121 3948 14,144 25- 9
1
/
8
3-9
13
/
16
VERTICAL SUPPLY AND RETURN/
HIGH GAS HEAT, HIGH-CAPACITY
POWER EXHAUST
075 3611 3081 3076 3611 13,380 24-10
7
/
8
3-9
13
/
16
090 3691 3106 3102 3691 13,590 25- 0
3
/
4
3-9
13
/
16
105 4008 3155 3150 4008 14,320 25- 9
15
/
16
3-9
13
/
16
UNITS 48Z6,Z8
WITH RETURN/EXHAUST FAN
SIZE
CORNER WEIGHTS (lb)
TOTAL
(lb)
AB
1 2 3 4 ft-in. ft-in.
VERTICAL SUPPLY AND RETURN
LOW GAS HEAT,
RETURN/EXHAUST FAN
075 2802 3002 3008 2868 11,740 19-4 3-9
13
/
16
090 2940 3029 3035 2946 11,950 19-6 3-9
13
/
16
105 3242 3091 3098 3249 12,680
20-2
3-9
13
/
16
VERTICAL SUPPLY AND RETURN
HIGH GAS HEAT,
RETURN/EXHAUST FAN
075 2921 3029 3036 2928 11,914 19-6 3-9
13
/
16
090 2999 3056 3063 3006 12,124 19-7 3-9
13
/
16
105 3304 3116 3123 3311 12,854
20-4
3-9
13
/
16