14
D. ROOFTOP INSTALLATION
1. Before locating the unit on the roof, make sure that the
strength of the roof and beams is adequate at that point
to support the weight involved. This is very important
and user’s responsibility.
2. For rigging and roofcurb details, see Figures 9 and 10.
Use field-furnished spreaders.
3. For roofcurb assembly, see Roofcurb Installation Instruc-
tions.
4. If the roofcurb is not used, provisions for disposing of
condensate water runoff during defrosting must be pro-
vided.
5. The unit should be placed on a solid and level roofcurb
or platform of adequate strength. See Figure 11.
6. The location of the unit on the roof should be such as to
provide proper access for inspection and servicing.
IMPORTANT:
If unit will not be put into service immediately,
cover supply and return openings to prevent excessive con-
densation.
FIGURE 10
PACKAGED HEAT PUMP
ROOFCURB INSTALLATION
A0718-02
A0719-02
A0719-02
CORNER WEIGHTS BY PERCENTAGE
A
B
C
D
32%
26%
20%
22%
FIGURE 9
PACKAGED HEAT PUMP
RIGGING FOR LIFTING
Summary of Contents for RJNL-B
Page 5: ...5 ST A1132 04 ST A1132 05 FIGURE 3 UNIT DIMENSIONS FIGURE 4 UNIT DIMENSIONS FRONT VIEW ...
Page 6: ...6 ST A1132 06 ST A1132 07 FIGURE 5 BOTTOM VIEW FIGURE 6 REAR VIEW SUPPLY AIR RETURN AIR ...
Page 18: ...18 Model RJNL B090 C090 ...
Page 19: ...19 ...
Page 27: ...27 FIGURE 18 JNL SERIES 7 5 10 TON ...
Page 28: ...28 FIGURE 19 JNL SERIES 7 5 10 TON ...
Page 29: ...29 FIGURE 20 JNL SERIES 7 5 10 TON ...
