Electrical - Nordson NH-4 Customer Product Manual

Outlet
Single passage
3/8 NPTF
Twin passage
(Obsolete)
1/2 NPTF
Single passage
3/8 NPTF
Twin passage
(Obsolete)
1/2 NPTF
Inlet
Figure 3 NH-4 Heater Dimensions

Electrical

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232 mm
(9.13 in.)
57 mm
(2.25 in.)
98 mm
(3.54 in.)
WARNING:
Install a power isolation device or disconnect in the service line ahead of
the heater to prevent electrical shock during installation or servicing.
1. Remove the enclosure cover.
2. Route the power supply wiring (recommended 12 AWG, 90 °C (195 °F)) into the
electrical enclosure and connect the L1 (power) and L2 (neutral) leads to the terminal
block. Install the ground wire to the electrical enclosure internal ground stud.
3. Make sure the enclosure cover and top of the enclosure are clean and free of dirt
and debris. Install the enclosure cover and tighten the bolts to 1.11−1.66 kg•m (8−12
ft-lbs).
4. Install the ground cable to the external ground stud and clamp the cable to a true
earth ground.
41.5 mm
(1.63 in.)
3/4 NPT
Both sides
4 Holes
ø9.5 mm
(ø0.374 in.)
22 mm
(0.875 in.)
NH-4 Heaters
149 mm
(5.866 in.)
84 mm
(3.307 in.)
(17.86 in.)
9
433 mm
1602369-05