537607 1 Armstrong Astro Express 2 Recirculator System Submittal 10.586_Astro_Express2_Hot_Water_Delivery_System_submittal_New User Manual

User Manual: Pump 537607 1 Armstrong Astro Express 2 Recirculator System Submittal

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FILE NO:
DATE:
SUPERSEDES:
DATE:

Astro Express 2 Hot Water Delivery System
JOB:

REPRESENTATIVE:

ENGINEER:
CONTRACTOR:

ORDER NO:
SUBMITTED BY:
APPROVED BY:

Quantity

Item#

110223-401
561100LF-001

10.586
Apr. 4, 2011
New
New

SUBMITTAL

DATE:
DATE:
DATE:

Description

Astro Express 2 System
(Wet rotor circulator with timer, line cord, union hardware, and one Astro Express LF valve)
Astro Express LF Valve (only) for lengthy branches to additional faucets off main distribution pipe

Hot Water Delivery System Applications
The Armstrong Astro Express 2 system delivers hot water to the tap, recirculating cooled water back to the water heater via
existing cold water piping. In addition to providing the homeowner instant hot water access, the system also helps to conserve
municipal drinking water resources and save metered water charges. It’s easy to install, and does not require special return piping
to the water heater. This makes the Astro Express 2 system the ideal retrofit solution for existing residential buildings, and a costeffective solution for new housing construction.

TECHNICAL DATA
ASTRO EXPRESS 2 CIRCULATOR
Power Requirements
115 Vac, 60 Hz, 1/25 hp, 0.5 A max.
Power Connection
5.0 ft (1.5 m) power cord, molded duplex plug with ground
Environment
Indoor use only
Max. Head
5.5 ft (1.7 m)
Max. Flow
9.5 GPM (0.60 L/s)
Max. Working Pressure
100 psi (689 kPa)
Ambient Temperature
39°F (4°C) to 104°F (40°)
Max. Water Temperature
140°F (60°C)
Clock Timer
12-hour analog clock with am/pm indication
Timer Settings
Individual toggles for each 15 minute interval over 24 hours
Manual Override
3 position slide switch, on/off/auto
Pump Casing
Stainless steel* with 1-1/4" NPSM union threads
Impeller
Polyether Imide (PEI)
Shaft
Ceramic
Bearings / Seal
Ceramic
Union Tailpieces
Lead Free Brass*, 3/4" FPT (two) and 3/4" MPT (one)
Union Gaskets
EPDM (two)
Approvals
ASTRO EXPRESS LF VALVE
Housing
Internal Components
Connections
Environment
Flowrate Adjustment
Max. Working Pressure
Max. Water Temperature
Mounting

listed

Forged ECO brass* with Noryl cap
Stainless steel and plastic with EPDM o-rings
Threaded, 1/2" hot & cold inlets, 3/8" hot & cold outlets
Indoor use only
0 – 100%, multi-turn slotted screw
100 psi (689 kPa)
140°F (60°C)
Plastic wall anchor with screw
Page 1 of 2

* Complies with section 116875 at the California Health and Safety /Code and Vermont Act
193 (Lead content of wetted surface is 0.25%
or less)

Dimensions and Weights
Product
Astro Express 2 Circulator
(with union tailpieces)
Astro Express LF Valve

A

B

C

D

E

F

G

Weight

6.00 (152)

5.00 (127)

4.00 (102)

--

5.00 (127)

1.8 (46)

--

8.00 (3.63)

2.5 (63)

1.5 (38)

2.1 (53)

2.8 (71)

0.8 (20)

3/8” IPS

1/2” IPS 0.40 (0.18)

Note: All dimensions are in inches (mm)

Astro Express 2 Circulator

B

Astro Express LF Valve

E

F

Hot

B

Cold

F

Faucet

A

C

A

C

Hot

Supply
Cold

E

G

Astro Express 2 Performance Curves

S. A. Armstrong Limited
23 Bertrand Avenue
Toronto, Ontario
Canada, M1L 2P3
T: 416-755-2291
F: 416-759-9101

Armstrong Pumps Inc.
93 East Avenue
North Tonawanda, New York
U.S.A. 14120-6594
T: 716-693-8813
F: 716-693-8970

Armstrong Integrated Limited
Wenlock Way
Manchester
United Kingdom, M12 5JL
T: +44 (0) 8444 145 145
F: +44 (0) 8444 145 146

Page 2 of 2

© S.A. Armstrong Limited 2011

For Armstrong locations worldwide, please visit www.armstrongintegrated.com
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