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ManualsBrandsSiemens ManualsHVAC Replacement Parts1/4" O.D. Plastic Tube In-Line Restrictor Tee, 40 Scim (11 ml/sec) (5 Pack)

Powers™ Controls

Technical Instructions

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Document No. 155-213

TB 167

Rev. 3, December, 2001

Restrictors

Siemens Building Technologies, Inc.

Type 1.

1/8" (3.2 mm) NPT Brass

Threaded In-Line Restrictor.

Typical 184-041

Type 2.

1/4" (6.4 mm) O.D. Plastic

Tube ln-Line Restrictor.

Typical 184-117

Type 3.

1/4" (6.4 mm) O.D. Plastic Tube

Restrictor Tee.

Typical 184-114

Description

Powers restrictors are available in a variety of orifice sizes and connection types.

External types 1, 2 and 3 feature:

• Air filter.

• Threaded connection (Type 1).

• Barbed connection (Types 2 and 3).

• Color coding (Types 2 and 3).

• Airflow direction arrow to minimize installation errors.

• Airflow restrictor capacity molded (Types 2 and 3) or stamped (Type 1) on

body.

Restrictor installation kits and service repair kits are also available for Powers

products that use plate or cartridge restrictors.

Product Numbers

Table 1.

Type 1 In-Line

Threaded

(Package of 1)

Type 2 In-Line Barbed

(Package of 5)

Type 3 Tee Barbed

(Package of 5)

Barbed Restrictor

Body Color

Normal Restrictor

Flow Capacity

scim (ml/sec)

184-039 184-115 184-112 Red 10 (2.7)

184-040 184-116 184-113 Yellow 20 (5.5)

184-041 184-117 184-114 Green 40 (11)

184-042 — — — 80 (22)

184-052 — — — 320 (87)

Table 2. Restrictor Flow Capacity At Various Air Pressure Drops.

Nominal Restrictor Flow Capacity

10 scim 20 scim 40 scim 80 scim 320 scim

Air Pressure

Drop

psi (kPa)

Percent of

Maximum Flow

Capacity

(ml/sec.) (ml/sec.) (ml/sec.) (ml/sec.) (ml/sec.)

22 (152) 100% 10 (2.7) 20 (5.5) 40 (11) 80 (22) 320 (87)

10 (69) 70% 7 (1.9) 14 (3.8) 28 (7.6) 56 (15) 224 (61)

5 (34) 50% 5 (1.4) 10 (2.7) 20 (5.5) 40 (11) 160 (44)

2.5 (17) 35% 3.5 (1.0) 7 (1.9) 14 (3.8) 28 (7.6) 112 (31)

Summary of content (5 pages)

PAGE 1
Technical Instructions Document No. 155-213 TB 167 Rev. 3, December, 2001 Powers™ Controls Restrictors Type 1. 1/8" (3.2 mm) NPT Brass Threaded In-Line Restrictor. Typical 184-041 Description Type 2. 1/4" (6.4 mm) O.D. Plastic Tube ln-Line Restrictor. Typical 184-117 Type 3. 1/4" (6.4 mm) O.D. Plastic Tube Restrictor Tee. Typical 184-114 Powers restrictors are available in a variety of orifice sizes and connection types. External types 1, 2 and 3 feature: • Air filter.
PAGE 2
Technical Instructions Document Number 155-213 Rev. 3, December, 2001 Restrictors Material Type 1 Types 2 and 3 Ambient Temperature Minimum Maximum Air Capacity Air Connections Type 1 Types 2 and 3 Specifications Brass Plastic 40°F (4°C) 140°F (60°C) See Table 2 1/8-inch (3 mm) NPT Thread Barb for 1/4-inch (6 mm) O.D. Polyethylene Tubing ln-line Mounting External restrictors are used: Application • for one-pipe transmitters, 40 scim (11 ml/sec). See Figures 1 and 2.
PAGE 3
Restrictors Technical Instructions Document Number 155-213 Rev. 3, December, 2001 Application, Continued ONE PIPE ROOM THERMOSTAT AC0049R1 20 SCIM RESTRICTOR TEE DAMPER ACTUATOR S Figure 4. Dual One-pipe Thermostat. Figure 3. One-pipe Thermostat Application. DAMPER ACTUATOR A C D AC0050R1 B CHECK VALVE SWITCHING RELAY CHECK VALVES SIGNAL FROM CONTROLLER IN-LINE RESTRICTOR VENT Figure 5. Time Delay Slow to Supply - Fast to Exhaust.
PAGE 4
Technical Instructions Document Number 155-213 Rev. 3, December, 2001 Internal Restrictors TH180, TH182, TH188 Thermostat, HU 186 Hygrostat, and RL243 SS Relay Restrictor Replacement Restrictors The kit number, airflow, and usage information is shown in Table 3. The restrictor plates are shown in Figure 8. To install, remove the two screws holding the restrictor cover plate and replace the two gaskets and restrictor.
PAGE 5
Restrictors RC 195 Receiver-Controller Restrictor Replacement. Kit 195-066. Technical Instructions Document Number 155-213 Rev. 3, December, 2001 The RC 195 Receiver-Controller restrictor replacement kit is 195-066. This kit contains three input restrictor assemblies, one supply restrictor assembly and seven gaskets. The restrictor assemblies are shown in Figure 10. To replace Input Restrictor Assembly: 1. Remove two holding screws and lift off restrictor cover. 2.