Nortec MH Series - Manual (Page 27)

Installation | 24
MHTC Reflow Plumbing
Figure 22: MHTC Flow / B Plumbing Installation
 On the MHTC reflow connect the drain pan’s drain to the hydraulic unit’s drain pan
connection using 2 in. (51 mm) ID hose cuff (provided).
 Install a P Trap on the drain pan’s overflow. 6 in (15 cm) in height or duct static pressure + 2
in. whichever is greater.
 Install a P Trap on the drain line from Reflow hydraulic unit. 6 in (15 cm) in height or duct
static pressure + 2 in. whichever is greater.
 If spray bar elbow(s) are longer than required remove them from spray cap, cut to desired
length, and reinstall. Connect to staging valves through openings in back of unit.
 Install spray bar lines ensuring hose has no dips or sags which could trap water.
 A pressure equalization line is required between the hydraulic units reservoir and the duct to
ensure proper drain operation. Install a 3/8 in. (9.5 mm) port on the duct wall downstream
of hydraulic unit. Connect to reservoir with hose ensuring hose has no dips or sags which
could trap water.