TAC Pneumatic Products Catalog

Specifications (Continued)
Mounting
HKS-2033 Duct.
HKS-5033 Wall (has beige plastic cover).
Dimensions
HKS-2033
HKS-5033
HKS-2033, HKS-5033
Accessories
Model No. Description
AKS-1189 Accessory scale plate, +/- 8% RH for HKS-2033, HKS-5033.
AKS-1199 Accessory scale plate, +/- 2” water for HKS-2033, HKS-5033.
AT-504 Plaster hole cover (small).
AT-505 Surface mounting base.
AT-506 Pneumatic wall box fitting (two tubes) used for mounting AT-532-111-1-01 under cover of HKS-5033.
AT-532-098-1-1 0.0075 restrictor (white).
AT-532-098-1-2 .005" restrictor (Red).
AT-532-098-1-3 .010" restrictor (Blue).
AT-532-111-1-01 0.0075 tee restrictor for 5/32 in. plastic tubing.
AT-532-111-1-03 0.010 tee restrictor for 5/32 in. plastic tubing.
AT-533-67 Adaptor 1/4 in. plastic tubing to 3/16 in. copper or 1/4 in. copper with 1/4 in. solder coupling (not included).
AT-533-101 Adaptor 1/4 in. plastic to 5/32 in. plastic.
AT-533-127 Adaptor 3/16 in. copper or 1/4 in. copper with 1/4 in. solder coupling (not included) to 5/32 in. plastic.
AT-533-129 5/32" x 5/32" Barbed brass connector.
Typical Applications
S
HKS-2033, Duct
Transmitter
HKS-5033 Room
Transmitter
4-3/16 H x 4 W x 2-1/16 D in. (106 x 102 x 52 mm); tube mounting hole diameter is 1-3/8 in. (35 mm)
and tube insertion length is 4-1/4 in. (108 mm).
4-3/8 H x 2-3/4 W x 1-5/8 D in. (111 x 70 x 43 mm). Order fittings separately for type of wall
construction.
N100-0010
M
B M S R C
Receiver Controller
(Reverse Acting)
Figure 1 Typical Application.
M NC NO C S
R527 Series E/P Relay
N.C. Steam Valve
8-13 psig
F-27383-1 © Copyright 2006 TAC. All Rights Reserved. 39
STM.
M M
1 HKS-2033 is usually located in the return (or exhaust) air duct, to measure
space relative humidity.
2 HKS-5033 is wall mounted, in the room, to measure area relative humidity.
3 When the air-handling unit fan motor is de-energized, the E/P relay removes
control air from the normally closed steam valve, closing it fully.
V
Vac Wire to
Fan Starter
To Steam
Humidifier