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Acro must be run on a GFCI circuit. Connect the power cord from Acro's power receptacle to a 

GFCI 120VAC standard wall outlet. DO NOT plug Acro in to an outlet until the fuse has been 

installed.  

Wifi Setup 

1. Create your account on ​www.sprowtlabs.com​ and Sign In. 

2. In the settings drop down menu in the upper rightmost corner navigate to 'Malthouse'. 

3. Click 'Add New Malthouse'. 

4. Follow the instructions provided. 

Water Hookup 

A water line needs to be hooked up to Acro for the duration of the steeping, air resting, and 

germinating steps. 

Why? Acro automatically fills steeps, and can't fill the vessel if water is not hooked up. 

Additionally, constant water hookup is necessary to maintain the humidification system used 

during air rests and germination. 

You can use a standard hose or tubing to connect Acro to water. A 1/2" NPT male threaded 

fitting on the water hookup allows you to connect either a female garden hose adapter or a 

female thread to male barb adapter. 

If you're using tubing instead of a hose, make sure to use tubing capable of handling your water 

pressure. We use a tube with a 1/2" ID x 3/4" OD. 

Preferably hook Acro up to a faucet with the ability to mix hot and cold water. Warm water is 
used during cleaning the machine. In the winter, your cold water might be below desired 
steeping temperatures, and Acro cannot heat water.  

Water Pressure 

Acro can handle water pressures up to 50 psi. Above this will damage interior plumbing 

connections and cause water leaks or flooding. Plumbing damage caused by high pressure will 

not be covered under warranty. 

Summary of Contents for Acro

Page 1: ...l For the best user experience and access to important videos and additional information please access these online resources Table of Contents Page 1 Important Safety Information Page 2 Introduction...

Page 2: ...ate with water pressure exceeding 50 PSI During kilning always pause batch before powering Acro off to let heating element cool Introduction Welcome to Home Malting Sprowt Labs is a small company work...

Page 3: ...ttom 1 Drain Pan 1 Teflon Tape 1 Hose Flow Brass valve 1 Hose to NPT Hex Swivel Brass Adapter 1 Barb to 1 2 FPT SS adapters 2 Temperature Sensor 1 Power Cord 1 Fuse Cap 1 Fuses 2 1 2 NPT SS Caps 2 Mai...

Page 4: ...w to assemble your new Acro Assembly videos are also available on the Sprowt Labs youtube channel Vessel Heights The vessel height doesn t need to be changed once set The height is the same during ste...

Page 5: ...in the humidification system used during air rests and germination You can use a standard hose or tubing to connect Acro to water A 1 2 NPT male threaded fitting on the water hookup allows you to conn...

Page 6: ...rain 1 Acro will fill the vessel up with water several inches above the grain Stir the grain by hand or with a mash paddle to dislodge thins and chaff malting loss that will float to the surface Use a...

Page 7: ...n pull out the drain pan and remove the right drain cap Return the cap and select Malting Clean Acro Turn warm water on from your water hookup and Acro will run a cleaning cycle Dish soap or equivalen...

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