Water Protection Cover - Schwank infraSchwank D 15U Technical Manual

infraSchwank D / calorSchwank D - shape U

Water protection cover

Protection cover of the burner unit 15-40U with
electrical protection class IP 55 against water or
aggressive mediums, cover complete in stainless steel.
In delivery scope a mounting set existing of:
 Protection cover with inlet air adapter
(premounted and sealed),
hinged cover plate and premounted surrounding
rubber seal
 Gas inlet connection with union fitting (premounted)
 Gasket for mounting water protection cover and
radiant tube
Assembly instruction
1. Divide gas inlet connection at the union fitting
2. Install with sealant the half of the divided gas inlet
connection with coupling fitting to male thread gas
connection burner unit.
Note 40kW: First replace reducing nipple
¾"x ½" from burner unit!
3. Mount complete burner including burner baffle into
protection box, front fixing bolt at burners flange
reaches through front of the protection box.
4. Pass other half gas inlet connection through PG
gland and connect with burner unit. Union fitting
first tighten by hand.
5. Stick gasket on protection box with silicon. Mount
complete protection box with burner unit inside at
radiant tube flange with gasket between tube
flange and protection box. Fix front fixing bolt of the
burner unit tight with flange radiant tube.
6. Tighten union fitting of the gas inlet connection
with tool.
7. Assemble electrical connection through PG grand
and connect with device plug, if necessary pass
cable for 2-stage or modulating regulation through
the second PG grand.
8. Fit tight the counter nuts of all PG glands.
9. Connect the heater with an approved flexible gas
hose.
Note 40kW: Mount reducing nipple
¾"x ½"on outer thread gas inlet connection
with sealant!
10. Start tube heater, check gas pressures.
11. Close cover plate water protection box with two
wing screws.
34
Fig. 39: Mounted burner unit in protection cover with
gas inlet and electrical connections
Fig. 40: Complete mounted and closed water protection cover